Why Choose Ayunhao Take Apart Construction Series? The 5-in-1 Robots Construction Cart Set is a STEM tear-down toy that provides your child with an imaginative play that promotes hand-eye coordination, cognitive and motor skills. Your child can get together with his brother or friends to promote teamwork and patience. Children will learn some problem-solving skills that are very useful in school and later in their daily life. Screw Installation Design We use screws to install all important joints of the transforming robot to avoid the problem that the product is easy to falls off and make the product more durable. Glide Function Every car has movable wheels that children only need to gently push the car toy forward, and it will slide a certain distance on Its own. The working parts of 5 vehicles can be rotated and moved, which makes your little architect more realistically feel the fun of building his own base. It also can exercise their thinking, imagination, creativity skills. Smooth Edge Exquisite Details We all know that our kids often feel sad because their toys fall and break. But don't worry about our take-apart construction toy will not break after fall. Because we use strong plastic material to avoid this problem. We care about safety as much as parents do! All the toy trucks are made of thick and sturdy ABS materials for lasting durability. Fine and gentle surface treatment. Read more Multiple Ways to Play This Transformer toys 5 in 1 Robot, It is suitable for 4-8+ years old kids. When your kids at age 4 years old, they can play this construction vehicle toys just as single truck toys, but when they are 5-6 years old, they can play with these toys as take-apart toys which can develop their hands-on ability, Boys always love to transform from one thing to another. Our robot toy cars for kids can transform from a truck to a robot in minutes and back again. Read more This disassembly toy is a great choice to give your child as a Christmas or birthday present.