Fire Truck Toy Set for Kids - Fire Engine Truck with Water Spraying Hose, Rotating Ladder + 3 Fireman Firefighters, Road Signs, Lights & Sounds – Toy Fire Truck for Boys Age 4-7, Girls 3 Years Old+

Scribing induction car, automatic induction car and pen car children's toys 3ML Feature:
This is a novel induction tank that follows the lines like.
If you put the induction tank toy elsewhere, it will run in circles until it finds the line.
Children's tank toys have an optical sensor that can read the black lines drawn on white paper.
is powered by 4 x 13 button batteries. (Not included)
Turn on the power, the tank toy can move automatically.
Line: no less than 4mm, no more than 10mm, non- corner line.
Specification
material: plastic

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