"WardsSci000475"

Double convex lens for optics experiments.

Use this durable push-button switch in battery circuits. Includes: mounting screws.

Vente

A must for your lab

Exceptional earthworm specimens plus dissection trays and pins, magnifiers, specimen storage bags, and a dissection manual are all included in one package.

Illustrated dissection guide.

Made of brass, bucket with suspension loop and hook.

Demonstrate refracrion and internal reflection.

Vente

Fifty sheets of 8½×11" chipboard that easily bends, folds and cuts for all your design needs.

These free-running plastic pulleys are durable in design.

Illustrated dissection guide.