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.
Great reference card for chemistry and physics students.
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
This mirascope creates a 3D hologram image!
Get one of the craziest and coolest kaleidoscopes around!
Ever wonder how to survive in the wilderness? These cards can help!
This SUPER Erector Construction set is one of the best you'll find anywhere!
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