It's quite difficult! I would not recommend this for children and expected them to solve it. However, my 3 year old loves just trying to put things together but not really being able to finish them. My husband's IQ is in the upper percentile, but spatial ability isn't his strongest gift and it took him 3 or 4 attempts to solve this problem. I say this so you know this will definitely entertain an adult. I wouldn't want to travel with it because things like this can easily get lost without a box or bag to carry them in.
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