Smithsonian Wave Machine

Smithsonian's Wave Machine is a unique, relaxing and mesmerizing science Machine perfect for your little scientist at home.  This motorized Wave Machines teaches children about the physics of Wave Motion in our Oceans and Seas.  The Smithsonian Wave tank Simulates Wave Motion in Bodies of Water. Includes A colorful Poster informs you about current, waves and tides! Motorized Wave Machine, Wave Tank, Motorized Base and Detailed Instructions and Poster. Requires 1 C Battery, Not Included. Ages 14 Years and Up. Warning: Contains small parts. Not Suitable for children under 3 years. Missing or Defective Parts: 631-501-7550 or custserv@nsi-int.com