They look like simple building blocks but they are not. Your little one will have to turn the pieces to screw them between them. You are going to be amazed when you see that they hold on top of each other as if by magic. This block set not only consists of stacking pieces, but they can also be screwed together to create a beautiful figure that will not be able to fall. Each of the 8 reduced-size pieces are perfect for your little one to take and assemble the screw-ons to their liking. You can sort the blocks by shape or by color. A very fun game with which you will spend hours and hours. Assemble, disassemble and reassemble. There are thicker, square and round blocks. Your child will be fascinated by the endless combinations they can make to build the desired piece. It is a toy that will foster your imagination through mixing and matching of all shapes. Your little one will have to figure out the rotary movement he has to make to the pieces to join them together. Give him time to do his own research. Pedagogical benefits: Stack and colla is a construction game that will develop your little one's fine motor skills . As you stack and put the pieces together, you will recognize the shapes and colors. This toy allows you to expand your child's learning opportunities and develop fine and gross motor skills, as well as stimulate the imagination . Now you imagine a building, now a person or your own construction. In addition, the spinning action is ideal for developing manual dexterity and hand-eye coordination. Material : Wood, Water-based paint. Material: Wood. Pieces: 8.