It�is a new and high-quality filler balloon racer, adopts scientific and physical design, a great diy toy for kids, not only can enjoy themselves, but also can learn some scientific knowledge, and improve their hands-on ability also.????
- A�new and high-quality filler balloon racer for funny.??
- Great�DIY toy for kids to learn some science and physics knowledge.
- Improve children's exercise ability.
- DIY assembly model toys set, need to install them before playing.
- A�qualified comfortable material, no harm to your kids.
- Use aerodynamics to promote environmental protection and energy saving�without�having to use the�battery.