Description:
Draw a thick line with a marker on a piece of paper, and this incredible truck will follow the path automatically. The miraculous effect can greatly arouse children's interest in science.

Main Features:
- Intelligent Line Detector
The optical sensor on its arm can sense the presence of the lines so that the truck is capable of wind its way forward.
- Realistic Model
The truck resembles the real vehicle in appearance and consists of a moveable arm and tank treads.
- Satisfaction of Curiosity
Children can learn why sensors are widely applied in our daily life and how they function to make our life more convenient.
- Safe and Durable
The ABS material is inert and harmless. It also excels in impact resistance. Children can play with it for a long time.