Fun and wisdom early education, relieve boredom and stress. A new decompression puzzle product developed for children's brain development, combined with the common characteristics of fingertip tops Concave-convex particle massage palm.The use of anti-fall ABS material with concave-convex particles on the edge can exercise children's grasping ability and massage the palm. Creative products, carefully made.Creative design, carefully designed 4 O-shaped concave holes, each track has a number of small beads, which can move and rotate by pushing the middle module. Little magic beans, revolve the big world:Creative decompression wisdom fingertip toy, the small beads can move and rotate in both directions. Personal interaction, partner PK :Parents can promote personal relationships during play, and it is also suitable for children's play to expand the social circle.