"bacteria"

Snap on battery connectors for your electronics projects.

Durable plastic cell holder.

A simple tool for communicating complex workings of electricity, this plastic battery holder is fitted with three banana plug jacks.

Designed for use with a meter stick optical bench

Build five different power supplies by connecting clip leads to one of the five color-coded terminals.

This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.

Prepare for upcoming competitions with this practice kit, the only kits officially licensed and approved by Science Olympiad.