109PCS mini Induction car Toys Follow The Black Lines You Draw, DIY Building Block Assembly Bulldozer Toy Engineering car Children's Gift

This micro robot uses high-tech: light sensors to help track the building block excavator and automatically detect and track the marked trajectory. Its microcomputer tells it what to do without getting lost and will return to the starting point along the route! Children will be surprised by the movements of building block engineering vehicles, inspiring them to explore the principles behind them, and stimulating their interest in science.

Mini Induction DIY Building Block car This set comes with 109 PCS of blocks and easy-to-follow instructions. It takes awhile to put together. But the outcome is great. Definitely worth gifting to kids who have interest in mechanics and love to explore options.

Easy To Follow Instructions - We have prepared clear instructions for children, each step is illustrated, step-by-step instructions that are easy to understand. This teaches them to follow instructions and ensures they won’t become overwhelmed or frustrated while they build.

Tip: the line thickness should be between 0.4-1.0 cm (0.16-0.39 inches). A thickness of 0.6 cm (a quarter of an inch) is the best, and there are no sharp lines. If you put the car somewhere else, it will turn around the circle until it finds a black line

Need 2 AA Batteries (not included)