Small booklet that gets you started in the wonderful world of rocks, minerals and crystals.
Includes answers to these questions:
Comprehensive collection of 30 fossils.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Make the coolest 3D pin art on your desk with this amazing desk toy.
This advanced physics kit is perfect for older children already versed in physics knowledge!
This black scorpion specimen is great for the classroom setting!
This classic device is used to demonstrate the conservation of mechanical energy.
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