Buy other second hand sporting goods
Keep your body active and healthy by doing more sports. Check out some second hand sporting goods sold by some fellow foreigners here. Used sporting goods like uniforms, balls, rackets, ski, boxing gloves, dumbell, barbell can be found here.
If you are a foreigner, specially if you want to leave Japan, you can also sell your used sporting goods here. Help fellow foreigners saving money by selling your used goods by clicking +START SELLING button on the top right.