Size of product: 16*16 CM
Size of box: 25*6*20 CM
QTY: 48 PCS
Size of carton: 78*51*43 CM
Package: color box
Functions:
1. total 66 pcs;
2. principle of gear transmission & electronic circuit;
3. parent-child game;
4. 2 pcs of 1.5V AA batteries (excluded);