HookS Law Spring Set, Set Of Five Different Springs Constants, The Set Has Five Different Springs Constants For In Depth Investigation With Above HookS Law Apparatuses.
KidWind Small Water Pump with Tubing, Recommended for College and High School, to demonstrate power output from the wind and solar kit, makes comparing different turbine designs easy; simply measure how high different turbines can pump water using this mini pump
Equilateral Prisms 3pc set, 1in, 2in, and 4in lengths, Material: Acrylic, Each prism is individually wrapped to protect it Will create a rainbow with any standard light source (phone will work) -- use a dark piece of paper with a 1-2mm slit, Size: 25mm face size