3 years & up. Young builders can explore community life with this set of 65 blocks. Roof tops, trees, people and assorted round and square blocks are all the elements they need to create their own unique city. Blocks have smooth, sanded edges, and are made from Eco-friendly rubberwood, a renewable resource, and stained with low VOC aniline dyes. Helps build fine-motor,imagination and three-dimensional design skills.