K&rsquo;NEX Education &ndash; Forces, Energy, and Motion Set &ndash; 442 Pieces &ndash; Ages 10+ Engineering Educational Toy Plastic 100% Imported 442 COLORFUL PIECES  The KNEX Forces, Energy, and Motion Set comes with 442 colorful pieces that are all made from durable molded plastic. Suited for building 11 types of working vehicles (4 at a time), the parts include rubber bands, tires, cogs, spacers, connectors, and other necessary accessories. CREATE AMAZING VEHICLES  Aspiring engineers can build various working vehicles with this playset, such as race cars, motorcycles, tricycles, and wind sails. Instructions are included for building each vehicle, and the parts can be stored in a secure tray with a snap-on lid. LEARN MORE ABOUT MOTION, MECHANICS, AND ENERGY  12 to 16 students can work together on each classroom kit, building up to four automobiles at a time. This colorful playset introduces aspiring engineers to concepts related to forces, energy, and motion. Through various experiments, they can explore Newtons laws of motion, inertia, speed, friction, and more. MOTORIZED BUILDING TOY  The three motors that come with this STEAM toy can be used for building the motorbike and race cars. Aside from learning about mechanics and engineering, students can also have fun by using their creations to compete in friendly races. STEAMagination  Its the connection of STEAM (science, technology, engineering, arts & math) with a childs natural curiosity and creativity and it powers the fun of each and every KNEX building set. Building with KNEX puts children on a path towards a fundamental understanding of STEAM/STEM subjects.