1. Educational robot kits with bigger size plastic blocks.
2. Variety of plastic blocks and DC motor and switch board in one paper box.
3. Provide assembly manuals in each kit to teach kids how to assemble different models.
4. Easy for kids at ages of 4-5 years old to play at home with parents.
5. Kids can assemble 40 different models one by one in one kit.
6. Learn how to use DC motor and switch board to make models move.