The bearing moves, as does the chain around it. Feels great rolled between two hands or used one handed - the options are endless with this one. When using two handed helps stabilise the core & minimise wriggling around for wriggly bodies & those that have trouble sitting still
Roll it between palms for a scratchy/tickly sensation. Also can be rolled in fingers or spun.
Metal Construction. Not suitable for chewers. 3yrs + Small parts choking hazard.