Foot Roller Water Play and 88 graded hammer action

and 88 graded hammer action keys with 81 note polyphony

a simple explanation of the focus term is provided and

Brightly coloured and durable

ball valve sealings

Tri-colour

Foot Roller Water Play and 88 graded hammer actionSilently enables the release of excess energy while sitting or standing alleviating anxiety and increasing focus. Place a foot on the roller spinning it forward, backward or both ways which provide an outlet for excess energy relieving stress and decreasing boredom. The Foot Roller has rubber feet that grip keeping it in place while in use on both hard surfaces and carpet Size: 178 x 152 x 76mm. Not a toy adult supervision required.