My kids didn't like it
I have 3 children ages 4-8, all with sensory issues, all orally fixated.  I bought both the rectangle and the round pendants.  My hope was that these pendant chews would keep them from chewing their sleeves, fingers, toys, etc, and not got lost or end up dirty/on the floor.  I put them on long necklaces for the kids to wear.  My 4 year old promptly took off the necklace, swung it around in circles and ended up hitting his pre-k classmates with it.  My 6 year old threw it in the trash, and said chewing on his sleeve was more enjoyable because this didn't "feel good."  My 8 year old also used it to distract her classmates, swinging it around, etc.  So I bought these retractable pulleys that clipped to their belt loops.  My 4 year old broke the retractable pulley after 5 minutes and was banned from bringing his chewy to pre-school, and has not used it since.  My 8 year old took it off the clip and lost it.  Bottom line is, these pendants are very hard, and most kids are looking for something they can chew on for sensory input, but these are too solid/firm.  So for us, what sounded like a great solution did not work at all.  I wish I hadn't wasted my money.
Rating: 1 stars