These AA battery holders with wires can house 4 AA batteries, and you will find they are excellent for use in any hobby or science project. Each holder includes wire leads for easy hook-up. Recommended for electronics applications, science fair projects, and more! Set includes 10 holders.
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
Create currents and discover gravity while exploring the theory of Lenz's Law with this kit!
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!