Features: Smooth Edges: Made of environmentally friendly materials,smooth edges and corners without burrs,which makes you can rest assured to play. Puzzle Game: You can use building pieces to build a variety of different animals,plants,numbers or letters,which can improve your imagination and hands-on ability. Multiple Colors: Bright colors can stimulate the senses,multiple building blocks can be combined and matched at will,you can combine the flat/three-dimensional patterns according to your own preferences. Portable Design: With large capacity storage,you don\'t need to worry about losing accessories,which can also cultivate good habit of tidying up. Simulation Screwdriver: Easy to install and disassemble,you can manually screw the screws and play with your friends.