Liteness Mobile Phone Holder Shake Wiggle Device Phone Swing Device Automatic Safety Wiggler, Phone Swing Automatic Shake Motion Brush Step Safety Wiggler Kit

الوصف

Features: 1. The phone swing device can be primary toy, which can be the rotating swing balance ball perpetual motion education toy2. The phone swing device can be the children's educational physics science toy, showing the principle of conservation of momentum and energy.3. There are usually more uses of the phone swing device waiting to be discovered, such as increasing the number of steps, cell phone holders, etc.Specifications:Material: metal + plasticSize: about 19*10.8cm/7.48*4.25inWeight: about 300gBattery: 4 AA batteries (not included), or USB power supplierPacking List: 1*phone swing device