Get deep, rich tones and quality sound with this excellent subwoofer speaker. It makes a great addition to your home theater system, or use it for science experiments with non-Newtonian fluids.
Learn about hydrogen fuel cells with this incredible kit!
This is a classic demonstration toy of the powers of magnetic fields!
This project book and sample kit introduces you to shape-memory alloy technology!
See the constellations visible in the Northern Hemisphere on this watch!
Defy gravity with this cool balancing eagle!
Exciting magnet exploration for ages 8 and up!