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Diameter of 18-24 mm. Fits plastic soda bottles.
Ages 5+
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Reusable heat pack. Activate by bending the metal disk inside of the pouch.
Ages 11+
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Use this basic green diffuse type LED in science experiments that call for a mini bulb.
Ages 11+
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One-pound bag of fine, white white-to-gray sand.
Ages 6+
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These #00 rubber stoppers are 10-15 mm diameter.
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These solid No. 2 rubber stoppers are 16-20 mm diameter.
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Use with our electric motor to make a fan or for other projects.
Ages 8+
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This strip is 3/4" wide and 4" long. It weighs about 4 grams.
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One-pound bag of fine gravel.
Ages 6+
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Use this flask stand to safely hold round bottom flasks up to 10L.
Ages 11+
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Sodium tetraborate (Borax) is an organic compound with the formula Na2B4O7. Borax powder is a naturally occurring mineral with many uses. Use it to make a bath bomb, a bouncy ball, or mix it with white glue to make slime!
Ages 10+
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This hard rubber friction rod is used for static electricity projects. It is 1/2" diameter by 10-12" long.
Ages 11+
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All our lenses and circular mirrors are 38 mm in diameter. The focal length (f/l) is noted for each.
Ages 11+
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This 50 ml PYREX brand narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame.
Ages 8+
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These clear glass shell vials are perfect for collecting small insects and other specimens.
Ages 8+
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These #0 rubber stoppers are 13-17 mm diameter with one 3 mm diameter hole.
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These #5 rubber stoppers are 23-27 mm diameter with one 5mm diameter hole. No. 5 rubber stoppers fit Pyrex 125 ml Erlenmeyer flasks.
Ages 8+
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Individual steel ball that is 1" in diameter.
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Food grade citric acid. Used in cheese making and other food preservation processes.
Ages 10+
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Though more affordable than glass, this 2000 ml polypropylene beaker still serves many lab uses. Polypropylene plastic beakers withstand hot liquids, but not open flame. They are not suitable for strong acids, bases, or solvents.
Ages 5+
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This guide includes photos of what organs to look for in a snake dissection. 4 pp.
Ages 11+
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These # 6.5 rubber stoppers are 27-34 mm diameter.
Ages 8+
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10 g bottle of oleophilic bacteria - made of oil-eating microbes that do exactly what their name indicates: they eat oils! This oil-eating bacteria makes an excellent addition to any oil spill cleanup studies.
Ages 12+
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30 g bottle of sodium bicarbonate, more commonly known as baking soda or bicarbonate of soda. Look below for a hands-on project that uses sodium bicarbonate, and discover its formula, density, and more!
Ages 12+
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This 30 g bottle of sodium sulfite is in anhydrous form. Take a look at the table below to discover the sodium sulfite density, the chemical formula of sodium sulfite, and more!
Ages 12+
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Constructed with three low-friction plastic wheels (48mm diameter),a steel housing, and hooks on both ends.
Ages 8+
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This affordable hand-cranked DC generator demonstrates the conversion of mechanical energy to electrical energy.
Ages 8+
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30 g bottle of 150 mesh copper powder. Find the copper powder density, formula, and more below!
Ages 12+
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These #8 rubber stoppers are 33-41 mm diameter with one 5 mm diameter hole.
Ages 8+
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This enamel coated solid copper wire is also called magnet wire. It is commonly used for making coils for electromagnets and electric motors.
Ages 11+
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Stir up some fantastic chemistry with this solid, polypropylene stirring rod!
Ages 8+
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Know any aspiring paleontologists or kids who love fossil hunting? The four standard size and small fossils specimens in this starter kit provide a great way for them to begin their fossil studies!
Ages 8+
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30 g bottle of copper metal shot, sized 3-14 mesh. Find the copper shot formula, shelf life, and more below!
Ages 12+
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This 2000 ml polypropylene lab pitcher is similar to a beaker in shape but with a sturdy handle and larger spout for easy pouring.
Ages 8+
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Plastic measuring spoons for measuring chemicals for laboratory experiments and activities.
Ages 8+
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We get it. Science can be messy. But Home Science Tools' products and service can handle it.
Our products are durable, reliable, and affordable to take you from the field to the lab to the kitchen. They won't let you down, no matter what they're up against. Whether it's (over)eager young scientists year after year, or rigorous requirements that come once-in-a lifetime.
And if your science inquiry doesn't go as expected, you can expect our customer service team to help. Count on friendly voices at the other end of the phone and expert advice in your inbox. They're not happy until you are.
Bottom line? We guarantee our products and service won't mess up your science study—no matter how messy it gets.
Questions? Get in touch with our Customer Service team.