ລົດພະລັງງານແສງຕາເວັນ
Gelsonlab HSTM-070 Education Science Toys ລົດພະລັງງານແສງຕາເວັນ
ລົດພະລັງງານແສງຕາເວັນ is composed of 2.4G five channel remote control part and polysilicon solar panel power supply part. Through assembly, we can understand the working principle of turning mechanism, shock absorber and driving reducer