YM378B 2010 new style， magical and funny. The screw can be rotated automatically Give a magical performance for fun. Come with a power box with vibration device and a piece of bandage. Easy to control and convenient to use. Package Details Weight: 128.40 g Size: 11*10.5*5.4 cm Package Includes 1 × 2010 New Style Magical Rotating Screw 1 × Controller Box 1 × Bandage