![1016 of 3290
Lens Set](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14417/20119/OP-LENSET__34826.1703796539.jpg?c=2)
![Burette Brush, 36"](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14360/12850/CE-BURBRSH__07866.1503517886.jpg?c=2)
![Tripod Burner Stand, 6"](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14356/16285/20170310-_mg_6085__78977.1503517951.jpg?c=2)
![Aluminum Sulfate, 30 g](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14297/20078/CH-ALSO4__00230.1703010468.jpg?c=2)
![Knife-edge (lever) clamp](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14250/13560/MC-KCLAMP__97160.1503517897.jpg?c=2)
![Evaporating Dish, 200 ml](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14207/16468/CE-EVAP200__38936.1503517959.jpg?c=2)
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![Wooden Splints, 500 pack](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14123/15793/CE-SPLT500__93891.1503517937.jpg?c=2)
![Corks, No. 2, pack of 2](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14096/15165/CE-CORK02__17148.1503517923.jpg?c=2)
![Potentiometer, 1000 ohm](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/14094/13144/EL-POT100R__59562.1503517890.jpg?c=2)
![Calcium Acetate, 30 g](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/13949/20130/CH-CAACET__67963.1703813221.jpg?c=2)
![Vegetable Rennet](https://cdn11.bigcommerce.com/s-ufhcuzfxw9/images/stencil/500x659/products/13859/20189/CH-VRENNET__42002.1703815734.jpg?c=2)
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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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A set of six 38 mm diameter acrylic lenses that includes one each: double-convex, plano-convex, concavo-convex, double-concave, plano-concave and convexo-concave.
Ages 8+
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This preserved mink specimen is skinned. It's about 14-17" long for the males and 10-14" long for females. It is a double-injected specimen with red latex in the arteries and blue latex in the veins to more easily trace the vascular system.
Ages 11+
Out of Stock, Discontinued
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This item only ships to a street address in the 50 US states.
This special brush is used to clean our 50 ml burettes.
Ages 11+
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Use this 6" tripod stand to support your glassware over a burner. Has a 4" diameter ring with 6.25" legs.
Ages 11+
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These top-opening glassine evelopes are preferred by insect collectors.
Ages 8+
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You've heard it before: don't stare at the sun. View the sun safely with these UV-blocking direct sun viewing glasses!
Ages 8+
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These #6.5 rubber stoppers are 27-34 mm diameter with one 5 mm diameter hole.
Ages 8+
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Diluted hydrogen peroxide, 6% solution, in a 30 ml bottle. Find the hydrogen peroxide formula, density, and more below. Plus, learn about how hydrogen peroxide is used in the Elephant Toothpaste Experiment!
Ages 12+
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Use this pearly solution to demonstrate ocean currents, turbulence, convection, and other fluid movements.
Ages 12+
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#7 rubber stopper with two 5mm holes.
Ages 8+
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This 30 g bottle of aluminum sulfate, also spelled aluminium sulphate, comes in hydrated form.
Ages 12+
Out of Stock, Expected to Ship: 09/13/2024
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Metal clamp attaches to a meterstick to make a simple balance.
Ages 11+
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This activated charcoal powder is made up of pure carbon. It is used in many industries for purification processes. This chemical is flammable; please read warning labels carefully. Find its density, formula & more below!
Ages 12+
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This porcelain evaporating dish is 110 mm diameter, 44 mm high and has 200 ml volume capacity.
Ages 11+
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Minks are less expensive than other large mammal carnivore specimens, like the cat.
Ages 11+
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This item only ships to a street address in the 50 US states.
10 x 12.5 cm white card with a millimeter scale on one edge.
Ages 11+
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A large pack of narrow wooden splints that can be used for various experiments.
Ages 11+
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These #10 rubber stoppers are 42-50 mm diameter with one 5 mm diameter hole.
Ages 8+
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This 30 ml (1 oz) Barnes dropper bottle is very popular for indicator solutions and stains.
Ages 8+
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Diameter of 12-13 mm. Fits small test tubes.
Ages 5+
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This variable resistor is used to regulate the voltage in an electric circuit.
Ages 11+
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This coupon is redeemable for a culture of 30 live mealworms. There are no additional charges to redeem the coupon.
Ages 8+
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The prepaid mealworm coupon can only be redeemed in the 50 US states. Mealworms typically arrive in 2-3 weeks after you mail the coupon. Severe weather or limited supply may delay shipment for several weeks.
This 250 ml (8 oz) amber glass Boston round bottle is ideal for storing chemical solutions, most solvents, acids and bases.
Ages 8+
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30 g bottle of calcium acetate. Sized for home chemistry! Find the calcium acetate formula, weight, density, shelf life, and more.
Ages 12+
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This 25 ml PYREX brand narrow mouth Erlenmeyer flask meets ASTM E1404 specifications and are made from low expansion, Type 1, Class A borosilicate glass that is capable of withstanding typical laboratory temperature variations.
Ages 8+
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Crystalline powder form of potassium hydrogen phthalate, also known as potassium acid phthalate, potassium biphthalate, or simply KHP. Look below to discover the potassium hydrogen phthalate formula, density & more!
Ages 12+
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These replacement carbon discs are designed for use with the AC Spark Recording Timer. 10 per pack.
Ages 11+
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Clear semi-circular polystyrene container that can be filled with water for refraction studies.
Ages 8+
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These #0 rubber stoppers are 13-17 mm diameter with two 3 mm diameter holes.
Ages 8+
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Food grade vegetable rennet for cheese making.
Ages 10+
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Investigate fluorescence with this set of six minerals that glow under ultraviolet light.
Ages 8+
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Use this friction block with attached hook for force and motion studies.
Ages 8+
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The open-pollinated corn seeds are great for a variety of plant studies.
Ages 5+
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Sodium bicarbonate is more commonly known as baking soda or bicarbonate of soda.
Ages 12+
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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.