Atmospheric Mat with Hook, Measures 10.5 x 10.5 In, durable, thick rubber mat has a simple design that demonstrates a powerful concept - Atmospheric Pressure
KidWind Red Blade Set, 8-inch diameter wind turbine blades are optimized to spin at very high RPMs, fit on any DC generator or motor with a 2 mm driveshaft, Recommended for College, High School, and Middle School Science
Kit, Triple beam LED flashlight, prewired, no soldering, Includes flexible thin-film solar panel, 3 bright white LED's and 2 rechargeable AAA NiMH batteries.
Horizon Energy Box, Combines All Horizon Kits And Modules Into One Large Set For Classroom Use 100+ Experiments And Hours Of Activities With This One Set, Comes In A Plastic Storage Box For Long Term Storage, Cd With Curriculum Manuals, Assembly Instructions