These AA battery holders with wires can house two 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.
Easily assemble a working alarm motion detector!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
This black scorpion specimen is great for the classroom setting!
This is a classic demonstration toy of the powers of magnetic fields!
Use this laser pointer for any professional presentation!
Build a hand that realistically moves its fingers using shape memory allow technology!