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These #6 rubber stoppers are 26-32 mm in diameter.
Ages 8+
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This battery holder is made of black plastic and holds three AA batteries.
Ages 6+
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Colors may vary. AA batteries included.
Ages 6+
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This battery holder is made of black plastic and holds two AA batteries.
Ages 6+
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These #9 rubber stoppers are 37-45 mm diameter with no hole.
Ages 8+
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This stable, high-capacity, three-tier test tube rack holds 21 test tubes up to 30 mm in diameter.
Ages 8+
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This 30 g bottle is a 10-10-10 fertilizer blend - N, P, K. Find the fertilizer formula, form, common use & more below!
Ages 10+
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Use this 11x17" chart not only to study sight but also to screen your children annually for myopia.
Ages 8+
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Fast-germinating and fast-growing grass seeds are useful for soil and lighting studies.
Ages 5+
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These #3 rubber stoppers are 18-24 mm diameter with two 4 mm diameter holes.
Ages 8+
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Two .5" steel balls for force and motion experiments.
Ages 8+
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These No. 2 rubber stoppers are 16-20 mm diameter with one 5 mm diameter hole.
Ages 8+
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You get one piece of cheesecloth that measures approximately 36" x 36".
Ages 8+
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Classic white lab coat has the durability with comfort and protection during all those hands-on experiments!
Ages 8+
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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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Styrofoam ball, 4" diameter, individual, for science experiments.
Ages 5+
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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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#7 rubber stopper with two 5mm holes.
Ages 8+
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These #10 rubber stoppers are 42-50 mm diameter with one 5 mm diameter hole.
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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 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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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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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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Investigate fluorescence with this set of six minerals that glow under ultraviolet light.
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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For static electricity experiments.
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This small plastic scoop has a capacity of 0.15 ml or 1/32 of a teaspoon.
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Styrofoam ball, 3" diameter for science experiments.
Ages 5+
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The small beam on this flashlight works well for many optics experiments.
Ages 8+
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Consists of five 1/2"-diameter hooked cylinders.
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.