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Help your kids master the knowledge of physics early education in advance: the bigger the balloon, the farther the exercises

Kids will intuitively recognize the principle and characteristics of recoil movements

Kids will be able to understand that jet aircraft etc. are the application of recoil principles

Suitable for childrens scientific experiments in aerodynamic knowledge. It would increase childrens interest in science and knowledges

This DIY assembly balloon car toys set is full of educational sense and funny to plays