Transformers / Transformers

This cup has mang functions.Each independent module has the convex and concave to connectionsspin.the two modules can fit and open the water ouelet.Each independent module can set up to transport.This cup can assemble any stitching，arbitrarily change the size of the cups water and the shape of the cup body.When kids drinking water , this cup can increasethe interest，it also can development of intelligence.This cup convenient to carry，especially suitable for outdoor sports.