Rigamajig Simple Machines Add-on Kit

Engage young minds with large-scale, hands-on learning The award-winning Rigamajig system is the perfect playful approach to hands-on STEM exploration. Children follow their curiosity as they play and build, learning along the way. Integrating the Simple Machines Add-on Kit allows creators to mechanize their Rigamajigs into systems that demonstrate the principles of force, mechanics and direction. Plastic parts are 100% recycled nylon; wood parts are Baltic birch plywood with a nonhazardous finish Basic Builder Kit has 260+ parts including planks, wheels, pulleys, nuts, bolts and rope Minimum required play area is 100 sq. ft. Includes 2 plastic crates to keep small parts together All components can be stored and transported in the included mobile wood cart with four 3" dia. casters (2 locking) and zippered, blue canvas cover Optional Simple Machines Add-on Kit has 57 parts including gears, wheel pulley, levers, belts, cranks and axles For ages 3+