DIY Drill powered Go Kart

Homemade drill powered electric gokart for kids. Made from 21mm plywood, wheelbarrow wheels, some tubes, old bicycle parts. and old screwdriver. Basic tools are used. p.s. Screwdriver is without automatic chuck lock, so it turns freely even without power. . Chainguard is reccomended. Here are some dimensions (if building now, I would make it bigger):