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.

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.

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

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

These kid-size safety goggles are designed to fit children up to about 90 lb.

The most accurate low-cost scale we can find.

This plastic adaptor turns a soda bottle into a hanging bird feeder.

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.

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.

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?

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