Rolling friction car kit, provides four cars for exploration into the force of friction, Each car provides a set of different material wheels (wood, fabric, soft rubber, soft silicone), Weight (lb): 1.0, Length (in):5.8, Width (in):6.5, Height (in):3.5
Simple Atwood Machine, include Apparatus and 2 pulleys connected by a rod, 1.75inch plastic pulleys connected to a 3inch rod, Overall length is 8.25inch, Two pulleys are connected by a metal rod.
Stem Explorations- Rollercoaster Building Set, includes over 500 parts plus a battery-powered motor for a single child or team of 2-3 children to build a working Roller Coaster, plus 2 additional models: Ramp and a Half-Pipe, downloadable booklet guide
Bottle rocket launcher attached to a sturdy base with the capability to launch 2 L plastic soda bottles over 100 ft in the air. Using water as the liquid fuel, pressurize the bottle with a bicycle pump, Remotely launch from a safe distance using the corded release mechanism
Stem Explorations- Swing Ride Building Set, includes over 470 parts plus a battery-powered motor for a single child or team of 2-3 children to build a working Swing Ride, plus 2 additional models: a Ferris Wheel and a Boom Ride, downloadable booklet guide