Fridge magnet with a functional Newton's Cradle with tethered steel balls that clack away back and forth against each other to demonstrate the laws of conservation... More
Just give the pendulum a gentle push and let gravity and momentum determine the path as it swings slowly back and forth carving elliptical loops and whorls into... More
Stylish high-tech scale analyzes your weight, BMI, and fat mass and uploads the data wirelessly to a private website where you can track performance and monitor... More
The pendulum swings through the sand showing the complex interaction between forces, creating art from science, and beauty from mathematics!