Neodymium magnets, 5mm diameter x 1mm thick, 50 pieces ■ For those who want multiple pieces We will accommodate requests in increments of 10 pieces, with an additional 50 yen for every 10 pieces. Please comment with the desired quantity. ■ Important Notice We are including the following warnings and requests for cooperation from the Ministry of Economy, Trade and Industry: The target age for use is 14 years and older. Do not allow children to handle these magnets, as there have been multiple serious accidents where children have swallowed them and required abdominal surgery.