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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This Microscope Discovery Kit will give you everything you need to explore the microscopic world of protists. It includes the same quality and features as other fine high-school-level microscopes at an affordable price.

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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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Give plants and animals the oxygen they need to thrive with this electrical air pump. An air pump adds air bubbles, creates current, and agitates the water surface to promote gas exchange. It also helps maintain pH levels.

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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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Discover microscopic creatures all around (and on) you with this fun bundle. Use the powerful LED 100 - 250x pocket microscope to discover an unseen world that comes to life on your smartphone using the included smartphone adapter.

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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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