Meccano  Tower Crane Model Set 1,682 Parts, tools and instructions to build a fully working, motorized crane. 3 Motors for lift and rotation, as well as integrated lights and sound. Tower Crane measures 38" tall. Boom arm is 36.5" long. Foot print is 12.5" by 12.5". For ages 12 and up. 4 C cell batteries required. Batteries not included. Includes: 1,682 parts, 3 3V Electrical Motors, 3 Red LEDS, 2 Real Tools, 1 Instruction Sheet