Building blocks can be interlocked into different 3D shapes, which can develop your darling's concentration during amusement. Also, the interlock between different pieces of blocks will initiate your darling's innovation, liner logic, manipulative ability and the ability to deal with problems. It can be a team amusement, which can develop cooperative ability the portable package is easy for kids to take outside and the design of round corner can prevent your darling from careless damage. Use your imagination to build your happy home, make your child more creative and constructive, children have lively imagination but sometimes they need fresh ideas to spark them off. Happy home offers tremendous possibilities for a child to develop his skill, broaden his imagination and to use intelligence creatively. 3 years old is recommended. Order online today from us at great, affordable price and have it delivered right at your doorstep.