I use these in my job for a child that seeks sensory input. He does not tend to gravitate to many items but he will hold onto this item and squeeze in his hand. When he does mouth it, it has not broken like many sensory items have. Some of the small spikes have been able to be chewed off though, but not many. The child also likes to roll it up his arm for additional sensory input as well.

Excellent

I like them! More soothing then I thought they would be but not my favorite

The children are very pleased to use these tools as hand fidgets and they do have a calming effect. They are easy to clean and sturdy. For fun, of the students tried counting the bumps on a ring!!!