STEM 9686 Educational Set Technical Simple and Motorized Building Blocks School Students Learning Power Function Bricks Kids Toy

1.Our Product's material is environmentally friendly ABS plastic without smell.
​ 2. Product feature: the assembly process helps to foster manipulative ability and innovation.
​ 3.We will continue to track logistics information for you. If there is a problem, deal with it as soon as possible.
​ 4. We customer service 24 hours online
​ 5.Perfectly compatible with Major Brands, easily be assembled and disassembled.
​ 6.Number of blocks: 396Pcs
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​If you want the option with the box, you can buy the two options "With Box-Manual" and "With Box-Manual-RC", if you don't want the box, you can buy the two options "With Manual" and "With Manual-RC"