Great for teaching about mechanics and conservation of energy - the plastic stepped pulley is fitted with a ball bearing on a single steel rod. It uses any standard right angle clamp to attach to a support stand.
This plant and animal cell model activity set is a must-have resource for the science classroom!
Beautiful 5 inch globe that can be used as a night lamp.
Experience this sphere powered by the sun!
Learn all about the science of light, optics and visual perception with this wonderful kit!
This classic device is used to demonstrate the conservation of mechanical energy.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.