Sort of thin and flimsy. My twin girls can easily move them unless you make the surface wet underneath them but all of the edges don't lie flat on the surface so they can get their little fingers under there and lift them up. The red is not as dark as the photos show in the description, it's much lighter and brighter. These will be ok, not super happy but not really worth it returning them since they were only 10.00.
Rating: [2 of 5 Stars!]