Hape Trido Sky Magnetic Art 3D Shapes 12-Piece Set is a set of magnetic building blocks designed for children aged 3 years and up. It consists of 12 elements: two octahedra, four tetrahedra, four half tetrahedra and two eyes. Package dimensions: 15 cm x 15 cm x 5 cm. The toy promotes the development of imagination, logical thinking and fine motor skills in children. Made from child-safe materials.