All Types and Sizes for all Optical Applications.

Recording tape, 1 x 300ft/roll

Teach students about energy and motion with this popular kit, which lets students build their own model roller coasters anywhere in your classroom –all you need is masking tape.

Demonstrate refraction and internal reflection.

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.

Replacement hook and weights for Ohaus® products.

Graduated for specific gravity and both Baume scales.

Introductory Planetarium is a simple model for hands-on demonstrations.

Variety of lenses for optical experiments.

Scan an entire landscape with oversize prisms that offer an extra-wide, 487' field of view at 1000 yards.

Educational Materials, Mechanics, Application: Physics, Hooked Weight, 500g

Learn while you play with this interactive review game. Students play Bingo using 75 review cards covering the curriculum standards on rocks.

Compact, 2-in-1 field tool and weather instrument.

This replacement high-concentration diamond wheel is six inches in diameter.

Measure humidity and temperature with this psychrometer kit.

This coloful mix of naturally colored polished stones are available in a variety of tumbled sizes. 1 lb. package.