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These #5.5 rubber stoppers are 24-28 mm in diameter with two 5 mm diameter holes.
Ages 8+
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These solid #5.5 rubber stoppers are 24-28 mm in diameter.
Ages 8+
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hese #6 rubber stoppers are 26-32 mm in diameter with one 5 mm diameter hole.
Ages 8+
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These #6 rubber stoppers are 26-32 mm in diameter with two 5 mm diameter holes.
Ages 8+
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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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Methyl red is a pH indicator; it turns pink/red at 4.4 pH & lower, yellow at 6.2 pH & higher, and orange in between. This 30 ml bottle is a 0.02 wt% aqueous solution. Look below to discover the methyl red formula & more!
Ages 12+
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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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Micropipettes are useful for small-scale chemistry and biology experiments and general lab work.
Ages 14+
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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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This 500 ml bottle of bromothymol blue is a pH indicator. It is yellow at 6.0 pH, blue at 7.6 pH, and green at neutral pH. Find the bromothymol blue formula, density, and more below!
Ages 12+
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Makes a good reaction tube.
Ages 11+
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Plastic handle with curved metal needle.
Ages 11+
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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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Use this bottle of lipase to break down fats in your experiments! Since lipase deteriorates in solution over time, this bottle contains premeasured solid. When you're ready to use it, add 30 ml of water & shake!
Ages 12+
Out of Stock, Expected to Ship: 07/28/2024
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Holds screens, rectangular filters, and mirrors. Clips onto the edge of meterstick.
Ages 11+
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Notched metal supports hold meterstick in place to make a simple optics bench.
Ages 11+
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Two .5" steel balls for force and motion experiments.
Ages 8+
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Plastic handle with straight metal point.
Ages 11+
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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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This complete photographic guide to kidney dissection shows the relationship of the kidney to circulation, a longitudinal section, and the structure of a nephron (filter).
Ages 11+
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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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This 30 g bottle of lead oxide is also called lead monoxide or lead (ii) oxide. Look below to discover the lead oxide formula, density, formula weight & more! Lead oxide is a poison; please read warning labels carefully.
Ages 12+
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100 ml bottle of lab grade polyvinyl alcohol 3% solution. When mixed with sodium tetraborate (borax) solution, polyvinyl alcohol solution can be used to make certain kinds of slime!
Ages 12+
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Klearol mineral oil is a highly refined light paraffin oil that is chemically and biologically stable. Take a look at the table below to discover the klearol mineral oil formula, form, storage code, and more!
Ages 12+
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This 30 g bottle of paradichlorobenzene is the same chemical as moth crystals. Take a look at the table below to discover the paradichlorobenzene formula, formula weight, grade, CAS number, and more!
Ages 12+
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This combination hydrometer and thermometer measures the specific gravity and temperature of saltwater aquariums or for water salinity science projects.
Ages 11+
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Narrow wooden splints that can be used for various experiments.
Ages 11+
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Use 200 µL pipette tips with fixed or variable volume micropipettes ranging from 10 µL to 200 µL in volume. These Gilson-style pipette tips have a smooth gradual taper for even liquid dispensing and snug fit on the micropipette.
Ages 14+
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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.