Magnestix Intellectual Magnetic Building Construction Assembly Toy 1050 Pieces Multicolored & Chrome A collection of magnetic sticks and metallic spheres Can be used to build structures like bridges, towers, houses, geometrical models, architectural models, chemistry models, etc It is a fantastic toy to promote children's creativity. 20 Multicolored sets & 5 Chrome sets 1050 Pieces (25 sets of 42 pieces each)