PicassoTiles 50 Piece Race Track Magnetic TilesNever too early to start developing kids creativity. Children can acquire strong sense of color, geometrical shapes, numbers counts, magnetic polarities, structural engineering and 3d architectural design at early age. 8 pieces quarter round turn 12 pieces square track tiles 16 pieces supporting column 4 pieces rectangular track tiles 4 pieces tall triangles 4 pieces slope 2 pieces LED light up car (2 x AA battery is required and not included) BPA