Now you can always have peace of mind concerning measurements on the go with this great key chain tape measure. Measure up to 3 feet (1 meter) and just like those expensive fancy tape measures, this one has an adjustable tension lever so that you can control the tension, and it even automatically retracts! Great for any hobbyist on the go.
Ever wonder how to survive in the wilderness? These cards can help!
Perform awesome experiments using everyday materials found in any kitchen!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
This is a great clean heat demonstration model for the classroom setting!
Learn all about Newton’s Laws and Energy conservation.
A perpetual motion model of the galaxy, makes a good desk toy.