"The Mystery of Lyle and Louise"

Students actively model the concept of half-life and radioactive decay.

Enhance your TXT 4.0 Base Set robot for competitions.

Professional-level entry into environmental sensing and the Internet of things.

Bulk hole plates to expand your TeacherGeek collection

Demonstrate magnetic fields on your desk or overhead with this clear container of iron fillings. Using magnets, you can show students how the fillings move and cluster together.

Allow students to discover a variety of exciting technologies essential to our everyday lives.

Demonstrates mechanical to electrical energy conversion without batteries.

Pith balls are an electrostatic necessity.

These 6 mm thick fiberboard wheels come with drilled center holes for 4 mm dowels.

Build a propeller-driven car to explore energy conversion and motion.