12 months & up. Build amazing structures with this exciting magnetic cube set. This colorful set of cubes is perfect for promoting fine motor skills, cooperative play, and block play. Children can sort, stack, or build with these blocks. Their imaginations are the limit! Encourage children to build their own unique structures or their favorite animal using the Magicube Free Building Set. Have them count out the blocks they use and identify the colors they see as they build. Set of 27.