K'nex Education - Intro to Simple Machines - Gears - 8yrs+Let your kids explore endless building possibilities with K'NEX Education's Intro to Simple Machines Gears Set! This building set from K'NEX Education comes with 198 pieces. Kids can build 7 fully functioning replicas of real world machines. This activity will keep your children occupied for hours! Storing K'NEX parts and pieces will never be a hassle, since the K'NEX Intro to Simple Machines Gears Set includes a plastic container. All pieces can be