Start polishing rocks with this 2 lb, single-barrel Tumble-Bee rotary rock tumbler! Perfect for hobby use, this tumbler comes with a 2 lb rubber barrel, oil, an Allen wrench, an extra timing belt & complete instructions.

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This single 2 lb barrel rock tumbling kit is a great introduction to rock and gemstone polishing! Includes a high-quality Tumble-Bee 2 lb rock tumbler, pre-sized tumbling rocks, tumbling grit, instructions & more.

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This 100 ml bottle of hydrochloric acid is a concentrated 1 Molar solution. Learn more about hydrochloric acid, and find the concentrated HCl density, concentrated HCl molarity, and more below!

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Use this DIY telescope kit to explore the science of some of the earliest telescopes! Build a single, simple refracting telescope & study the included detailed guide to learn different aspects of basic astronomical viewing.

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Use this classroom add-on with our Coronavirus Education Kit (purchased separately). Contains materials for an additional group of 5 students to use with it. Buy as many add-on kits as required to meet your classroom needs!

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An excellent way for students to study mammal anatomy is to dissect a fetal pig! This large preserved specimen has vessels that are double injected with red and blue latex to make veins and arteries easy to identify.

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This comparative eye dissection kit comes with a cow eye, a sheep eye, and a pig eye. Explore all three eye specimens to discover the similarities and differences between the anatomy of three amazing mammals!

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With this Biodiversity, Ecosystems & Human Impact Classroom Kit, high school students become both scientists & engineers as they work to solve a fictitious (yet realistic) ecosystem crisis. Perfect for grades 9-11!

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With this Biodiversity, Ecosystems & Human Impact Kit, high school students will become both scientists & engineers as they work to solve a fictitious (yet realistic) ecosystem/biodiversity crisis. Perfect for grades 9-11!

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Unicorns, clouds & rainbows... oh my! With the Thames and Kosmos Rainbow Gummy Candy Lab, kids learn about the scientific properties of natural polymers while they make their own delicious, fun gummy shapes.

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See how much fun chemistry can be as you do slimy, fizzy, colorful & bubbly experiments! With the Thames & Kosmos Ooze Labs Chemistry Station, kids play the role of chemist while doing 20 real, safe experiments & activities.

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This 500 ml bottle of hydrogen peroxide is a 15% solution and is suitable for many uses. Find its chemical formula, shelf life & more below! Strong oxidizer; please read the label carefully and take necessary precautions.

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The Environmental Air-Water Testing kit includes a detailed teacher's manual, reproducible student worksheets, and instructions & materials for 9 tests. Materials are included for up to 30 students working in groups.

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Luminol powder is an essential component to any crime scene. This 1 gram quantity is plenty to make a luminol solution for forensic blood detection experiments. Find the luminol formula, how to make it glow, and more below!

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Learn how negative feedback mechanisms are used to maintain homeostasis with the Keeping a Balance: Homeostasis and Negative Feedback Kit! Comes with a detailed teacher's guide & student worksheet. Estimated time & more below!

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Become a doctor with this Diagnosing Diabetes Kit, and determine if your fictitious patient has Type 1 or 2 diabetes! Comes with a teacher's guide & student worksheet. Takes about 2 - 4 class periods (40 min. each) to complete.

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Explore how characteristics are inherited across families with the Beebops Genetics and Evolution Kit! Comes with a detailed teacher's guide & student worksheet. Takes about 2 - 4 class periods (40 min. each) to complete.

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This lab kit contains over 20 of the harder-to-find items for the 12 experiments in the Focus On Middle School Physics curriculum, 3rd edition. Provide your students with robust, hands-on Physics lab experiences!

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The Starter Lab Kit for Focus on Middle School Biology contains the harder-to-find items for many of the labs in the Focus On Middle School Biology curriculum, 3rd edition. Additional items available to purchase separately!

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Use this 2-pound bag of Brazilian tumbling rock (lapidary rough) in your rock tumbler and see it become beautiful polished stones! Rock specimens measure from 1" to 3" and represent many varieties and colors.

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Raise your glass to science! These Science of Wine Stemless Wine Glasses are great for anyone who knows wine is so much more than ethanol. Makes a fun gift for wine lovers and science lovers alike.

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The Science of Beer Pint Glasses are for people who know there's more to beer than just ethanol. This 2-pack is fun for chemists, science nerds, brewers & anyone interested in beer chemistry.

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The Titration Equipment Kit has the lab equipment and instructions you need to perform titrations like a pro! Discover how to use a burette and volumetric flask, how to make molar solutions, and more.

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Botley is back and better than ever in Botley 2.0! With this updated version of the award-winning Botley the Coding Robot, kids as young as 5 can learn to code through screen-free, hands-on exploration.

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The Separatory Funnel Kit helps advance your chemistry study! Do two separation experiments with the quality science tools & clear manual. With the equipment & experience you've gained, tackle more complex chemistry next.

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Discover the basic types of chemical reactions with a complete Chemical Reactions Kit. Conduct experiments for each type of chemical reaction: synthesis, single replacement, double replacement, decomposition & combustion.

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Build the best paper airplanes! Fly your POWERUP modules faster and longer with this certified companion written by designer and illustrator, Kyle Boyer of Foldable Flight.

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Create incredible designs for your POWERUP 2.0 or 4.0 airplane conversion kit and fly in style! This pack of templates includes 10 paper templates to fold 5 unique airplane designs. 2 waterproof templates are also included!

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Use this paper chromatography kit to perform an exciting experiment. Learn the components of a chromatography system and why different substances separate and move at different rates within the system!

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Use this urinalysis simulator to determine the pH of a variety of samples to test for glucose, protein, and ketones.

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Students will learn about yeast and its many options for energy production with this fun and educational experiment!

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Your student will learn the ins and outs of identifying unknown chemicals with this fun and educational activity!

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Examine the effects of acids and bases to determine the pH of several common household materials with this Distance Learning kit! Enough materials are included for 2 groups.

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The GeoSafari® Kids Stereoscope is a portable, fully functional microscope with up to 20x magnification. Its easy-focus knob and top-mounted LED light make it an excellent tool for viewing fossils, insects & more!

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This calorimeter design has more sensitivity than traditional versions. The core keeps the heat loss to a minimum, allowing precise measurements of changes in temperature.

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This bottle contains 100 ml of 1 M Acetic Acid Solution. Learn about acids and bases, and find the acetic acid density, common uses, alternative name, and more below!

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