12 months & up. This Go Go Working Cars - 18 Piece - Magnetic Blocks Set is designed specifically for the small hands of infants and toddlers. Your little ones will enjoy creating many different vehicles that GO, by mixing and matching the various magnetic blocks. Encourage the development of motor and creative skills at an early age while having fun building and exploring their creativity. Magnetic blocks come in the bright, classic colors that children recognize and love. Includes 18 magnetic pieces.