It looks fun enough! Hiding something (no matter if they are letters, numbers, animals or something else, or if they are covered in sand, water or the way you did it), but it is one thing kids always love to do.
Hide and seek kind of games are really a good method to use in the learning proccess.
Hello, thanks for your comment, I was able to verify it, through the application of this activity, the children were very excited @missdeli