The kit Mechanics 222 pcs contains: 60 non-magnetic metal spheres, 59 metal blue magnetic rods, 1 indicator rod, 1 square panel, 9 triangular panels, 1 pentagonal panel, 7 tubes, 28 washers, 24 feet for washers, 24 linear bars, 3 squares for bearing , 2 cages for bearing, 1 plate and 2 cones.