Haha series have multiple functions like rectifying sitting posture, preventing shortsightedness and so on so that it can help kids form good habits. Haha table has the lifting function which provides a comfortable height for kids. A rotatable tablet in 0 to 40 degree fits in various studying posture. Also, creative A-type table legs endow Haha with aesthetics perception as well as stability and safety.The flower functional button has rough outlines to make it easier for kids to operate. Haha chair applies memory foam backrests to protect kids’ spines. It can be locked with one button.