This is a set of 3 health and diet tools. The total value of the set is about 10,000 yen. ◼︎ Shape Twin Ball, Black This can be used in various ways, such as massaging the lower back and shoulders with vibration, and shaping the legs and hips by placing it between the legs. The vibration can be adjusted in 4 levels. Operation has been confirmed just before listing. Accessories: USB charging cord, instruction manual ◼︎ Core Slimmer, Pink Supervised by a sports trainer, this is an abdominal muscle training tool that you just lie on. Just place it under your lower back and focus on your breathing. It can also be used for easy lower back stretching. Accessories: Instruction manual ◼︎ Danno (DANNO) Reflection Ball, 8cm diameter (D5965), Green The protrusions stimulate pressure points and promote blood circulation. Also for training motor nerves. I have used each of these, but I am selling them to organize my belongings.