This lead-free solder spool is essential to keep on your hand for your next soldering project. Use it in electrical projects, home hobby projects or science projects requiring soldering.
Comprehensive collection of 30 fossils.
Use this kit to introduce electromagnetic principles in the classroom setting!
Build your very own smart robot!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
This top of the line 21 inch tall Galileo thermometer features 10 floating spheres.