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Test Tubes

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  • Item #: 033126
    Retail: $0.00
    Rainbow Price: $1.50
  • Item #: 065498
    Retail: $24.99
    Rainbow Price: $19.50

    Be a chemist and stir up some fun using materials from your kitchen (or local store) and the special tools in this kit. 11 reusable (plastic) chemistry tools include a beaker, 4 test tubes, test tube rack, graduated cylinder, lab glasses, dropper, funnel, beaker, and stirring rod. The accompanying 22-page activity journal is filled with experiments for you to learn about matter, chemical reactions, and acids and bases while doing fun activities like changing water color, liquids that float, inflating a balloon without using your breath, putting out a flame without blowing, and more. The journal walks you through each step of the activities and allows space to record observations. Nancy Bs Science Club kits support STEM and prepare children for a future in science. ▲CHOKING HAZARD (1). Not <3yrs

  • Item #: 012072
    Retail: $4.95
    Rainbow Price: $4.40

  • Item #: 012024
    Retail: $4.95
    Rainbow Price: $4.40

  • Item #: 024672
    Retail: $0.00
    Rainbow Price: $4.00

    Grow your own crystals in a test tube with this mini science kit! Includes a test tube with a metal lid and colored crystal powder. Sold individually, styles vary. We’ll assort in orders of more than one. ~ Rachel

  • Item #: 050238
    ISBN: 9780760362624
    Retail: $19.99
    Rainbow Price: $14.95

    Billed as the world’s smallest science lab, this tiny kit contains small versions of basic science equipment. So, if you don’t have much room for science equipment and you don’t mind doing experiments on a small scale, this kit is for you. You also get a 48-page lab manual-ette that contains 20 experiments, all using common household ingredients not included with the kit. Kit includes 3 test tubes with stand, beaker, flask, graduated cylinder, funnel, petri dish & lid, balance scale w/ 3 weights, magnifier, 10 cm steel ruler, pipette and scoop, and a 5”x3.5”x2” cabinet to store it all in.

  • Item #: 048425
    Retail: $72.00
    Rainbow Price: $70.95

    Like the other kits from Nature's Workshop Plus, this kit contains some of the harder to find items to complete the labs found in Apologia's Physical Science course (sold separately), and they are packaged according to lessons for convenience.

    This kit contains: safety goggles, baking soda, 9-volt battery, insulated wire, scissors, clear tape, yarn, pencils, antacid tablets, cotton balls, thermometer, candles, plastic bags, matches, yeast, balloon, test tubes, paper towels, Epsom salts, paper cup, comb, pens, sugar, table salt, cooking oil, olive oil, paper clip, toilet paper, dish soap, wax crayon, white cotton string, cornstarch, 1.5 volt battery, 3-inch nail, cardboard, stopwatch, measuring tape, index card, aluminum pie pan, marble, eraser, small block of wood, sandpaper, ruler, rubber stopper, aluminum foil, black marker, thread, washers, balls, Styrofoam cup lip, plastic wrap, rice, flat mirror, protractor, white paper, flashlight w/batteries, and black construction paper.

    You will still need to gather some items to round out the supply list, but this kit makes the shopping easier. ~ Donna

  • Item #: 073726
    Retail: $4.95
    Rainbow Price: $4.40

  • Item #: 073725
    Retail: $4.95
    Rainbow Price: $4.40

  • Item #: 012087
    Retail: $4.95
    Rainbow Price: $4.40

  • Item #: 061902
    Retail: $24.99
    Rainbow Price: $19.95

    It's always fun to play with glow-in-the-dark things, and now you can concoct your own. This kit includes a plastic beaker, measuring scoop, mixing cup, bouncy ball mold, test tubes/stand and funnel as well as a sheet of star stickers, glow sticks, fake snow polymer, jelly balls polymer, fluorescent ink, glow powder, bouncy ball polymer, 3 creature molds, black-light activator, and 23-page activity guide. The activity guide provides you with 20 projects to practice your glowing skills – Glo-Water, Invisible Glow-Ink, Glotion, Glow Stick Luminescer, Ooey-Glowy Oobleck, Glowing Slime, Glowing Putty Ball, and much more. Experiment with black light and glowing qualities as you "Glow For It" with this kit!

  • Item #: 050236
    ISBN: 9780760362587
    Retail: $49.99
    Rainbow Price: $35.00

    This architecture design tool goes beyond building just the structure by including electronics. The structure is built using posts and panels that can be open or enclosed. Included pulley system allows for an elevator in your design. Electronics include lights, switches, motor, speaker and wires.

  • Item #: 042050
    Retail: $111.10
    Rainbow Price: $87.95

    What a great starter scope! Many of the features you'll find on a more expensive scope are now available for the young scientist. This battery operated (3 AA batteries are not included) microscope has:

    • • rotatable nosepiece with 4X, 10X, and 40X objectives
    • • 10X widefield eyepiece on an inclined head
    • • 6 hole disc diaphragm
    • • real optical glass lenses
    • • 3 ½" x 3 ½" stage with spring mounted stage clips
    • • coarse focus knob
    • • dual LED lights
    • • powder-coated metal construction with sturdy plastic base

    View slides using the light below and solid objects with the upper light. You won't find this feature on any of our other microscopes. See slides up to a 400X magnification and solid objects up to 100X magnification. Look closely and you'll be able to see Abraham Lincoln sitting in his memorial on the back of the penny!

    This microscope comes with a nice accessory set which includes: 5 blank slides, 4 prepared slides, 1 concaved slide, slide labels, 10 cover glasses, pipette, forceps, lens paper, small plastic test tube, small plastic Petri dish, straight teasing needle, and red and blue dye. A 10-page user's manual explains how to prepare slides, operate the microscope, and offers suggestions for observation.

    The LED lights burn longer and cooler than incandescent lighting, so no chance of little fingers getting hot. An automatic stage stop is helpful in keeping the objectives from touching the slides; however, it doesn't work well with the 40X objective. This objective is longer and the stage doesn't stop soon enough before putting pressure on the slide. You'll also notice that there is no 'fine focus' knob. I thought that would be a problem getting things in focus, but really had very little difficulty. I looked at several slides and objects on all of the settings of this microscope. I'm really impressed with the features offered for such a low price. ~ Donna



    If you're not sure which microscope best fits your needs, check out our Microscope Comparison Sheet for a side-by-side comparison of all microscope models we offer.

  • Item #: 013682
    Retail: $19.99
    Rainbow Price: $15.75

    A great combination of puzzle solving ability and manual dexterity. 1 to 4 players race to complete each “formula.” Players start with three test tubes, each with a pair of purple, red, or green marbles. The “formula” card shows the desired arrangement of the marbles in the test tubes. “Pour” the marbles back and forth between the test tubes without touching the marbles and be the first to match the pattern. All players compete every round, so the 54 challenge cards are usually completed in about 15 minutes. ~ Bob

  • Item #: 012036
    Retail: $4.95
    Rainbow Price: $4.40

  • Item #: 012028
    Retail: $4.95
    Rainbow Price: $4.40

  • Item #: 008778
    Retail: $58.00
    Rainbow Price: $45.95

    Includes mass scale, red and blue litmus paper, Celsius thermometer, 6 test tubes, plastic funnel, alcohol burner with stand, 250 ml beaker, 100 ml beaker, watch glass, 2 dropper pipettes, stirring rod, 50 ml graduated cylinder, filter paper, test tube cleaning brush, 50 mL plastic graduated cylinder and safety goggles.

  • Item #: 053875
    Retail: $39.99
    Rainbow Price: $32.50

      A polymer is one of the most intriguing and fun things you can do in science. Packed in a school bus-shaped box, you get the supplies you need to do 20 experiments: white glue, borax, measuring cup, popsicle stick, test tubes, beads, polymer flowers, snow polymer, gel crystals, funnel, measuring spoon, ziplock bags, wheat seeds and test tube holder. Germinate seeds in polymer; make slime and goop, dehydrate polymers, and more. Get your hands goopy with Ms. Frizzle and the Magic School Bus gang.

  • Item #: 033681
    Retail: $39.99
    Rainbow Price: $31.95

  • Item #: 025661
    Retail: $64.95
    Rainbow Price: $58.40

    Includes an 80-page experiment manual, protective goggles, 2 dropper pipettes, clip for 9-volt battery, safety cap with dropper insert, copper wire, 2 large graduated beakers (with lids), 4 test tubes, test tube brush, rubber stopper with hole, rubber stopper without hole, funnel, 7 different chemicals, small bottle for litmus solution, lid opener, double-headed measuring spoon, angled glass tube, and experiment station. 125 experiments on test papers/changing colors, physics (ie. air pressure, water pressure, heat), carbon dioxide, iron and copper, water and its elements, surfactants, and food chemistry.

  • Item #: 017300
    Retail: $44.99
    Rainbow Price: $33.95
    Part of the Nancy B's Science Club series, this set pairs a junior microscope with an activity journal for guided observations. The beginner microscope features 30x-400x magnification, LED lighting, a coarse focus knob and a rubber eyepiece cup. There are actually two lights – one on the bottom and one on top, so you can use it as a light microscope (for semitransparent slides) and a dissecting microscope (for 3-D objects). Although all plastic, the microscope has a sturdy design and is battery-powered, so you can take it out in the field without worry. While you can't compare this one to an actual compound microscope on optics, it seems to work pretty well for an inexpensive scope, especially in the low magnification range. Several tools are also included with the microscope - four prepared slides, seven blank slides, seven cover slips, a Petri dish, specimen vial, spatula, tweezers, scalpel, stirring rod, test tube and pipette. The 22-page activity journal both acquaints students with how to use the microscope and provides ideas for projects and activities that they can complete while also giving them spaces to record observations. Activities include a variety of subjects, including examining cheek cells, the marks made by various writing utensils, ground spices and more. Please note that the microscope is only battery-powered and requires 3 AA batteries, not included.
  • Item #: 067539
    Retail: $0.00
    Rainbow Price: $3.50

    This test tube rack is made of plastic and offers 6 holes (16MM) for holding test tubes upright and 6 drying pins (12mm) for placing test tubes upside down after washing. Please note that this rack will hold test tubes smaller than 16mm. It will NOT fit 16mm test tubes. Test tubes that fit this rack - #066381

  • Item #: 056678
    Retail: $0.00
    Rainbow Price: $0.75

      This brush is approximately 7.5 inches (200 mm) in length with off-white, natural bristles and a galvanized steel handle.

  • Item #: 045722
    Retail: $2.13
    Rainbow Price: $1.95

    Unleash your scientific creativity with this durable and inexpensive test tube set. It contains two 15 x 100 mm glass test tubes with a gray rubber stopper. The back of the package contains two sample experiments to help you get started. You will want to stock up on these! ~ Lisa

  • Item #: 042791
    Retail: $22.66
    Rainbow Price: $18.75

    This basic kit contains all you need for making microscope slides: 12 plain glass slides, 2 single concave slides, slide storage box, 100 glass coverslips, 1 bottle of methylene blue, 1 bottle of eosin Y, a plastic dropper and a test tube. While no instructions are included, add a microscope and you have the perfect complement to the World of Microscopes (#000546), Ultimate Guide to Your Microscope (#037031), or Kym Wright's Microscope Adventure (#000148). ~ Deanne

  • Item #: 041072
    Retail: $39.99
    Rainbow Price: $32.50

    For all you Ms. Frizzle fans, here's another Magic School Bus Science Kit. You can let your little ones do chemistry like all the students in Ms. Frizzle's science class. This Chemistry Lab comes packaged in a replica of the Magic School Bus (made of cardboard measuring 15" long by 8 ½" high) with storage space and trays for all the kits components. This kit includes most of the hard-to-find materials needed to do experiments: Petri dish, string, peppercorn, balloon, wooden craft stick, piece of iron, ph chart, 25 ml measuring cup, ph paper, pipette, blue and red litmus paper, pencil, safety goggles, plastic measuring spoon, plastic funnel, 3 plastic test tubes, test tube brush, soap, cardboard, clay, white blue, borax, yeast, chromatography paper, foil, liquid dish soap, straw, and ruler.

    51 glossy cards accompany the kit and will help your young chemist get started learning about scientific tools, measurements, acids and bases, and much more. The first twelve cards offer general information, messages from Ms. Frizzle, safety and instructions for the kit. Cards 13 through 51 are experiments. The front of each card gives a list of materials needed, steps to follow for the experiment, and illustrations. An explanation of the experiment is found on the reverse side of the card. You will get to make sticky ice, test materials for acidity, inflate a balloon without blowing into it, make pepper jump, learn about buoyancy, make a speed boat, and much more as you learn with Ms. Frizzle and her class.

    A data notebook is included for recording data in specific lessons. This is a small 5"x 7" stapled booklet with space to record observations. If you are doing the experiments with multiple students, you can have them work in teams to record the information or let them make their own notebook – this one is pretty simple. Use this kit as a chemistry unit study or alongside your curriculum – either way you will have fun with Ms. Frizzle and the gang! ~ Donna

  • Item #: 030141
    Retail: $22.00
    Rainbow Price: $14.95

    This great kit for the little ones will dazzle friends and family as they perform colorful and fun amazing experiments. This kit includes crosslinked polyacrylamide, color tablets, mixing cups, 3 test tubes with caps, a pipette, color mixing tray, magnifier, test tube stand, and 10-page activity guide. You will experiment with crystals, fragrances, fizzing bath balm, make oatmeal soap and scrub, and much more. This is a fun and safe kit for curious little ones. ~ Donna

  • Item #: 013805
    Retail: $32.95
    Rainbow Price: $22.95

    The Chem 60 Kit will provide hours of experiment fun without harmful chemicals. Topics covered in the activities are chemical reactions, acids and bases, chromatography, crystal growing, surface tension, solutions and colloids, expansion of gases, magnetism, optics, growing plants,

    The Chemistry 60 Kit will provide hours of experiment fun without harmful chemicals. Topics explored include: chemical reactions, acids and bases, chromatography, crystal growing, surface tension, solutions and colloids, expansion of gases, magnetism, optics, growing plants, and much more. While some activities will require adult supervision, many of them can be done independently. Most items are provided in the kit, but you will need to gather household items to complete some of the activities.

    Each activity is colorfully illustrated with step-by-step instructions, and a very simple explanation for each activity is offered at the end. Students will test for acids by using red cabbage juice, write a magic message using lemon juice, build an erupting volcano, see and hear gas expand, grow salt crystals, and much more.

    Kit contains sodium hydrogen carbonate, iron powder, sand, plastic test tube rack, plastic test tubes, test tube holder, stopper, magnifying glass, green felt tip pen, plastic beaker, 25 milliliter measuring cup with lid, safety goggles, measuring spoon, eye dropper, funnel, tweezers, magnet in holder, washers, paper clip, pH scale, pH paper, thread, mirror, drinking straw, modeling dough, rubber band, Styrofoam, and instruction booklet. Stir up some ChemFun and learn some basic chemistry! ~ Donna

  • Item #: 010064
    Retail: $34.95
    Rainbow Price: $31.40

    This set is designed to be an introduction to chemistry. The equipment and manual in this kit allow students to perform 28 "classic" but exciting experiments in several areas of chemistry. Topics covered include: reactions between solids, liquids, and gases; acids and bases; electrochemistry; and more. Kit includes a 48-page experiment manual, safety glasses, six vials of chemicals, three test tubes, one stopper, a battery terminal, two pipettes, and a measuring spoon. A 9V battery is required for some experiments but is not included. Though some similar experiments are included in later sets, the exact experiments in this set are not included in the C1000, C2000, or C3000 kits. Please note that in an attempt to make things more fun, a "magic" theme is present in the lab manuals and many of the experiments are labeled as magic tricks.

  • Item #: 009037
    Retail: $44.95
    Rainbow Price: $40.40

    You may be tempted to bypass this exceptional chemistry kit in light of the unassuming title of "first chemistry set." There is nothing babyish or fluffy about this kit. Rather, this kit introduces rock-solid chemistry to the upper elementary and middle school student. Suffice it to say, these are not childish or overly simplistic experiments. Beginning with making a plaster test tube stand, the twenty-five experiments that follow cover a wide range of concepts. Examples include dissolving salt and sugar solutions, evaporation, making crystals, acid and alkalis, and so much more. Contained within the sturdy cardboard kit are the required lab equipment and an Experiment Manual. I think you will be pleasantly surprised at the vibrant illustrations in this 8 ½" x 11 ½", 48 pg. manual. Not only is it appealing to look at, valuable content includes teaching tips, the ABC's of experimentation, basic rules of safety for the science lab, a master material list and specific experiment lists, step by step instructions for labs, explanations of chemical reactions and other interesting tidbits related to various experiments. Included science tools included: plaster, measuring spoon, 100 and 200 ml. measuring cups, label sheets, plaster mold, rubber stopper, pH step strips, magnifying lens, Petri dish with lid, pipettes, test tubes, filter paper, vial with spoon, funnel, balloon, bendable drinking straw, safety glasses, and wooden spatula. You will need to supply a variety of readily available items (contact us for a full list). Parental Supervision required. ~Deanne