Sissel compressible gel egg

The SISSEL® egg-shaped hand trainer is designed to improve fine motor skills. This exercise machine can be used to strengthen the muscles of the forearms, arms and fingers. It can also be used as an anti-stress ball.

Product Description:

• Applicable hardness levels: Soft, medium, hard, very hard
• Available in 4 colors: pink, green, blue, orange
• In the package: instructions for use with recommended exercises
• Manufacturer: Sissel