5413 Features: -Time machine kinetic display clock.-Materials: Plastic.-Kinetic display clock that’s fun to watch.-Just turn it on and its precise mechanism transfers a chrome ball every sixty seconds for the perfect time.-Batteries: 4 C.

Product Features

  • High quality wooden spiral track
  • 3 drop/connecting holes
  • Helix: 14 3/4 long, 9 1/2 inch diameter
  • Accelerator: 1 1/2 x 1 5/8 inches Ages 4+