Features

• Give your forearms and biceps an almighty workout!
• "Ball within a ball" system creates an immense gyroscopic force.
• No batteries required and no chemicals utilised inside
• The faster it spins the brighter it lights up.
• Just wind up the thread and pull briskly for fun, relaxation and exercise to your hands, wrist and arm.

Product info

• Color: Orange
• Binding: Electronics
• Brand: Funtime Gifts
• Languages: English
• Dimensions:
  • Height: 2.76 inches
  • Width: 4.33 inches
  • Length: 3.94 inches
  • Weight: 0.60 pounds
• Released: June 13, 2011
• Number of units: 1