Change one word to another, one letter at a time, with this set of Word Puzzles. Set of 14 puzzles. Puzzles rely solely on phonetically regular or high frequency words, allowing even the youngest of learners to be successful. Children experiment by placing tiles in the empty spaces to make words. They can explore many different solutions just by moving the tiles around, until all the spaces are filled. These self-correcting puzzles are guaranteed to invite hours of intriguing problem solving, discovery, and word construction. Perfect for centers.