I actually bought the Space version of this game also. My son is 7 and can not build any of the structures that are on the cards. I stepped in and tried to help, even moved the game to a sturdy table top. He could not build any of the cards, and I had success with less than half. The pieces do not balance well to begin with, and when you have to stack them like a T and put a bird on one side and a block on the other, it is almost impossible to do with out knocking the entire structure over! I love to play Jenga and pride myself in having steady hands, but this is just ridiculous! My son was so frustrated, he cried, which in turn made me want to cry. I dont feel that this product was tested before it was marketed. And it definitely is not suitable for a 5 yr old as stated on the box!
I agree with the other review, if you are still going to purchase this, throw away the cards and instructions and consider it a play set, and go free style!
The blocks do not stack as the directions suggest. I have to wonder if the person who designed this toy actually played with it. I only gave it 2 stars because my son still loves it. However, as the person who has to build them I would give it NO stars!!