Never buy another D battery again with this handy AA to D battery converter! Just place two AA batteries plus side down in the plastic casing, and the unit will operate at the same voltage output (1.5V) as one D battery. Great to have around the home, office, or lab. Measures 2.25" x 1.25" x 1.15".
This classic desk toy will keep you amused! Large, 7 inch tall version.
Over 300 electronics projects in this kit will keep the young scientist busy!
Comprehensive collection of 30 fossils.
This classic device is used to demonstrate the conservation of mechanical energy.
An educational light experiment kit for kids 8+.
A massive mounted set of 100 rocks and minerals found in the US,