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