I'm an adult and I bought these. I have ADHD and quite a bit of anxiety so I'm always looking for new fidgets. I loved this pack because it has different textures and for someone with sensory issues this is a bonus for me. I've played with them a lot normally, nothing too rough and I haven't pushed the limits of the toy, but within a month 3 of them broke. Two of the spiked ones were depleted to the point where I just threw them away because they weren't fun to play with and one of the others actually broke. I'd say you get what you pay for and they're a lot cheaper than some of the individual stress balls I've bought.
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