This portable battery-powered microscope for kids features the same quality glass optics and sturdy metal frame as our regular Kids scope, but with a more versatile illumination system.

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This deluxe dual-power stereo microscope provides you with 20x or 40x magnification simply by rotating the 2x/4x objective. Use it to look up close at tiny water protozoa, mineral crystals, circuit boards, and more.

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These No. 11 scalpel blades are best for precision work dissecting muscles, vessels, and small organs.

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This steel hooked weight is painted with black enamel and is accurate to +/- 1%.

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Colored safety goggles add some color to your lab! This 6-pack of goggles comes in three translucent colors: red, green, and blue (two of each). Adjustable to fit kids and adults.

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Each 1 lb bag of paydirt has bits of gold inside - guaranteed! The sand and gravel is from a real gold mine. What will you discover?

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This high speed vibrating electric motor has a speed of about 9000 rpm at 3 volts.

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These replacement carbon discs are designed for use with the AC Spark Recording Timer. 10 per pack.

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Home Science Tools 4-pack AAA batteries, 1.5 volt, alkaline. Great for electricity and circuit projects!

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This Orion 17mm Plossl Eyepiece upgrades all types of telescopes. For an excellent mid-power eyepiece on a budget, this one's clear crisp images make it a fast favorite.

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Set of six glass lenses used to demonstrate optical properties.

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Classic demonstration of the conservation of mechanical energy.

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Shoot a 25-mm steel ball from a barrel affixed to a moving cart & watch in amazement as it drops back down into the barrel! This classic, memorable ballistic demonstration provides kids with an unforgettable intro to physics.

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