This apparatus is used to demonstrate and study the motion and behavior of gas molecules. It includes a transparent cylinder with a vibration platform, small steel balls and a styrofoam float. Once the vibration platform is engaged, the steel balls start bouncing and pushing the floating plug upwards. Intensity of vibrations can be adjusted with an included potentiometer.
Requires a 4 to 12 V DC power supply (or battery pack).
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Embark on a guided journey through the microscopic world, revealing its hidden creatures and unseen structures!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
This is a classic demonstration toy of the powers of magnetic fields!
Beautiful 5 inch globe that can be used as a night lamp.
Build a robot that's an artist too!