Never 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-free and lead-free materials. For kids 3 years and up.