Create cool, ocean-inspired scenes and designs with Plus-Plus pieces! Plus-Plus is a unique construction toy. Its one simple shape, which looks like a double plus sign, contains endless possibilities. Assemble pieces flat to create a 2D design, or build 3D structures. Even curves are possible. Precision crafted in Denmark, Plus-Plus sets are compatible with each other. Package includes 60 pieces in assorted colors, each measuring 3/4" by 1/2". Also includes one 4-1/2" square baseplate. BPA-free and phthalate-free. For ages 5 and up.