My grandson has Autism autismhe always has to have something in his hands and he is very anxious during school he up and down the whole time so I've tried different techniques fidget Spinner I've tired penny's cars soft ball that's used for squeezing and no I will try this I think these are cool will keep his eyes ???? on these while it takes a while to separate he will sit there longer and concentrate on school supper excited to try these hope they work ...