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".
Build a robot that's an artist too!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
Comprehensive collection of 30 fossils.
This mirascope creates a 3D hologram image!