Pros: love that they have a place to grip. My kindergartners use these for word work, and they can clearly see the letters without making a enormous mess. The case has a labeled spot for each letter/punctuation mark, allowing for easy storage and attack. Letters are a nice size.Cons: The only one is pretty big- this is not a complete set of letters. There are two "o" and "i" stamps, and no "r" or "j." I had to buy another set of letter stamps from a craft store to be capable to keep these in a center. I can still use them, but I would have liked to been capable to get another of the same set, but didn't want to run the risk of not getting all letters again. - Deirdrizzle These are great. My students use them to spell out their spelling terms for fun. I like with the intention of they are apparent since the kids admit what letter it is lacking having to flip them all over. - Michelle Drago These stamps are great for all ki...