Get everything you need to help kids learn to make and make to learn. demco.com STEM ACTIVITIES building & engineering 12 Rigamajig Junior Kit Combines imagination with cognitive thinking and invention A scaled‑down version of the Rigamajig Basic Builder Kit (sold separately), the Rigamajig Junior Kit encourages playful experimentation. Building with this simple set of parts helps children embrace process over outcome, and empowers them to be makers of their own worlds. •  Plastic parts are 100% recycled nylon; wood parts are Baltic birch plywood with a nonhazardous finish  •  Features 160 parts, including planks, pulleys, nuts, bolts and rope  •  All components can be stored and transported in the included canvas bag  •  For ages 5+  FedEx Product No. Price LD137-6780 $443.99 Simple Machines, Add‑on Kit Basic Builder Kit Rigamajig Basic Builder 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+  FedEx Product No. Description Price LD137-4733 Basic Builder Kit $3,490.99 LD137-4734 Simple Machines Add-on Kit 1,664.99 “ My students have turned them into carts, benches, wagons, spaceships and stores. In fact, they are our favorite tool for prototyping projects ... – Todd Burleson, Resource Center Director, Hubbard Woods School