Review on Mudpuppy Magical Friends 4-In-A-Box Puzzles, Ages 2-5, Each Measures 6”X8 - Chunky Puzzles With 4, 6, 9 And 12 Pieces - Difficulty Level Grows With Child – Beautifully Illustrated Puzzles, Multicolor by Monica Woods

I really like the idea of these puzzles.However, they aren't working well for us. First, my son really likes puzzles that have a back to them. He is a toddler so it really helps him put the pieces together. But since there is no cardboard back for the pieces, he struggles to put them together.Second, wrong pieces fit together very easily. With our other kid puzzles, the wrong pieces clearly don't fit. However, these fit together so well, that he'll put it together incorrectly even though the pieces do somewhat fit well.Maybe this would work for older kids who are good with puzzles, but for a younger child who is just learning, it's not the best option.