4M Zero-Gravity Fridge Rover
4M 零重力冰箱漫遊者
Item Size: 13cm x 19.5cm x 4.5cm
Barcode : 4893156032683
Wind up the rover gears and let it move along the fridge. See how it moves up the fridge surface, defying the force of gravity. It’s an amazing Science gadget.
