The MoVeS Squeeze Ball is developed to provide a progressive sequence of 5 colours. It strengthens hands, fingers, forearms and will work the muscles separately or in tandem. The MoVeS Squeeze Ball can be used for rehab as well as for sports training or stress relief. The MoVeS Squeeze Egg is ergonomically shaped to provide highly effective exercise for the rehabilitation and strengthening of weakened or injured fingers, hands and wrists. Because it is small and easy to use, you can exercise anywhere, anytime. Available colours/resistances: yellow, red, green, blue and black.