Learning Resources MGears Krunch Building Kit70 pieces included Instruction guide Plastic Storage Container Pull back motor to make vehicle move M Gears Krunch M Gears pieces are compatible with other popular building sets. M Gears Krunch vehicle features a pull back motor, offers extra replacement parts, and comes in a handy, resealable storage container. Best of all, the three vehicles (Krunch, Triumph, and Rover) can be combined to create a fourth, larger model. Ages 6+