Exclusively at Hammacher Schlemmer, The Motorized Erector Set allows young engineers to build 25 working models using the classic metal girders.
Our items are guaranteed for their normal life under standard, non-commercial use.
This is the motorized construction set that allows young engineers to build 25 working models. It consists of the classic shiny, metal girders, nuts, bolts and also includes a 6-volt motor, clutches, and ball bearings that turn wheels and propellers or lift mechanical arms. Children can build replicas of classic machines, including a crane that lifts objects, an airplane with spinning propellers, and a cherry picker truck with a bucket that moves up and down. The included hard-plastic case has individual compartments to keep parts organized. 638 parts. Requires four AA batteries. Ages 10 and up. Case: 16 1/2" W x 14" L x 4 1/4" H. (7 1/4 lbs.)