Knex
- Motorized Madness Ball Machine Build the Motorized Madness Ball Machine, a towering contraption full of building challenge & exciting performance! Towering over 4 feet high & featuring motorized lift & 3 exciting ball runs, the Motorized Madness is a builders dream. This set
Includes:: 2, 004 colorful K'NEX pieces, new track system & 5 multi-colored balls. Follow the color-coded instructions to build this exciting ball machine step-by-step. Then switch the motor on to bring the model to life. The motorized ball lift continuously carries balls to the top of the tower, where they alternate down one of three different ball runs. The downward spiral sends balls down a dizzying ride to the bottom. The hammer drop transports the balls off the track & onto 2 swiveling elevators, & the funnel drop sends balls on an express ride straight to the bottom. Motorized Madness is appropriate for builders ages 9 & up. Requires 2 "AA" batteries.