Small booklet that gets you started in the wonderful world of rocks, minerals and crystals.
Includes answers to these questions:
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
A massive mounted set of 100 rocks and minerals found in the US,
Learn how solar cells transform light into electrical energy with this great kit!
Build a robot that's an artist too!
A cool kit that helps you build your very own robotic arm!
Easily assemble a working alarm motion detector!