I just realized that page doesn't list Toy Story Mania. I did a little research and found this (http://allears.net/tp/mgm/tsm.htm) on the same website. Refer to line 4 under "Touring Tips" and you'll have your answer
I took my 22 month old on it a few weeks ago and it was fine. He didn't shoot at anything but seemed to like the ride. The gun adjusts down if you are smaller so that they can shoot it if they understand how. Great ride btw, my new favorite shooter type.
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