This great rock tumbling kit comes with everything you need to polish stones and gems. Tumbling is easy: just place a few rocks or minerals into the tumbler with some grinding powder, and start tumbling! The grinding powder duplicates the erosion process that takes thousands of years in nature. It also comes with jewelry-making accessories to display the rocks, and is excellent as a birthday present or Christmas gift.
Use this kit to conduct experiments with models to learn about forces and simple machines!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
This science kit is an essential introduction to physics knowledge!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
The cards show the name of the element, the atomic number, group, natural state and common usages!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!