Includes special pieces exclusive to this set like a wheeled chassis, arch, door, hole-punched triangles, and imagination pieces.1 Arch, 1 Magnetic Hinged Door, 1 Square Door Frame, 1 Wheeled Chassis, 10 Right Triangles, 12 Small Squares, 2 Equilateral Triangles – Hole Punched, 2 Imagination Pieces, 3 Large Squares, 6 Isosceles Triangles, 9 Equilateral Triangles