Drawn Line Magic Pet Toy Robot Pen Inductive Animal Follow Black Track Auto Run

Overview：
Creative toy with an optical sensor, runs follow the black lines
Help kids learn knowledge about principles of optical sensing
Improve the kids’ imagination, intelligence and hand-on ability
Powered by 4 AG13 LR44 button batteries ( included )

Specification：
Weight: 300g
Material: plastic
Size: 20*10*15 cm

Package Content:
1x Induction penguin