These D battery holders can house two D 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.
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
With 23 hands-on experiments, you can investigate specific weather phenomena as well as the climate system in general.
Learn all about the science of light, optics and visual perception with this wonderful kit!
Find the hidden crystals when you open your own geodes from this fun set.
Defy gravity with this cool balancing eagle!
Ever wonder how to survive in the wilderness? These cards can help!