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Magnesium hydroxide occurs naturally as the mineral brucite and is commonly found in antacids and laxatives. This 30 g bottle is reagent grade magnesium hydroxide powder; see the chart below to learn more about this chemical!
Ages 12+
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These handy tea light candles are 1.5" in diameter and 0.75" tall.
Ages 11+
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This core borer is used to make uniform, large 15 mm (9/16") diameter holes in rubber stoppers or corks.
Ages 11+
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Designed to fit all our screw base light bulbs. Perfect for exploring electricity and circuits!
Ages 8+
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These #9 rubber stoppers are 37-45 mm diameter with one 5 mm diameter hole.
Ages 8+
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These #1 rubber stoppers are 14-19 mm diameter with one 5mm diameter hole.
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This is a complete manual for doing a turtle dissection.
Ages 11+
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This pack of seashells is helpful for studying ocean life.
Ages 5+
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#7 rubber stopper, 1-hole, fits 500ml Erlenmeyer flasks or 250 ml filtering flasks.
Ages 8+
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Object marker for a simple optics bench; clips onto the edge of meterstick.
Ages 11+
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Any pH meter needs to be calibrated periodically to measure pH accurately.
Ages 11+
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This spiral-bound notebook is a great tool for teaching kids to record their nature observations with drawings and notes.
Ages 7+
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This impact car is uniquely designed to measure the force of a collision.
Ages 12+
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This 30 g bottle of fertilizer soluble readily dissolves in water. Find the fertilizer soluble formula, form, alternate name, and more below!
Ages 12+
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This paper tape will work with most recording timers. It is about 17 mm wide and comes on a 150 foot roll.
Ages 11+
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This 60 ml (2 oz) amber glass Boston round bottle is ideal for storing chemical solutions, most solvents, acids and bases.
Ages 8+
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These #0 rubber stoppers are 13-17 mm diameter. #0 rubber stoppers fit large test tubes.
Ages 8+
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This 30 ml bottle is a saturated solution of calcium hydroxide, commonly called limewater. See more information below to learn more about this solution and discover how to make limewater yourself!
Ages 12+
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E10 miniature light bulb with threaded, screw base for use with 6-volt battery.
Ages 8+
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These #9 rubber stoppers are 37-45 mm diameter with two 5 mm diameter holes.
Ages 8+
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These #10 rubber stoppers are 42-50 mm diameter with no holes. #10 rubber stoppers fit 2000 ml Erlenmeyer flasks and many thermos vacuum bottles.
Ages 8+
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This bimetallic compound bar is made of two dissimilar metals and used to demonstrate how different metals expand thermally at different rates.
Ages 11+
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These No. 2 lab-grade corks fit our small 13 mm x 100 mm test tubes.
Ages 5+
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Replenish your rock tumbler for more rock tumbling fun!
Ages 10+
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30 g bottle of potassium bitartrate, also known as potassium hydrogen tartrate or cream of tartar. Take a look at the table below to discover the potassium bitartrate formula, how it can be used to grow crystals, and more!
Ages 12+
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Supports crucibles, evaporating dishes or funnels on a ring support when heating to high temperatures.
Ages 11+
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The large 3" diameter of this magnifier makes for convenient viewing.
Ages 6+
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These #5 rubber stoppers are 23-27 mm diameter with two 5 mm diameter holes. No. 5 rubber stoppers fit Pyrex 125 ml Erlenmeyer flasks.
Ages 8+
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This linear diffraction grating contains 500 lines per mm and is mounted in a 2"x2" cardboard frame.
Ages 11+
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Spring scales measure weight or force by hanging an object from its hook. To measure loose material such as sand, pour into a plastic bag and hang the bag from the hook. Scale is sensitive to 20 grams.
Ages 8+
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Disposable 60 x 15 mm dishes & covers. These dishes cannot be heated.
Ages 8+
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This complete guide to doing a pigeon dissection includes definitions of animal terminology.
Ages 11+
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Use this agar powder with water to create your own pure agar base! (no nutrients added)
Ages 12+
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Home Science Tools 4-pack AAA batteries, 1.5 volt, alkaline. Great for electricity and circuit projects!
Ages 6+
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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.