Toddlers will be delighted by this new sorting toy from Plan Toys. Four different blocks can be twisted into new shapes and fit into the shapes on the two-sided base. Slightly curved base is easy for small hands to grasp and flip over to reveal a different set of shapes to match Little children will develop small motor coordination, problem-solving skills and exercise their memories, while having a great time with this beautiful toy. Appropriate for children 18 months and older. Base is made from ecofriendly, safe and sustainable PlanWood and blocks are made from solid wood. Dimension: 7.5 in x 6.9 in x 1.4 in.