Great question — answering as the UphillTech team:
Why can't he access the ceiling panel? Eve Beck's height was not enough to reach the ceiling and she uses a toilet seat. Why Can't Paco do the same? I have a toilet with such panel and usually, they are not that high and I guess a stool, etc can help a kid to reach it easily.
Full answer by Ankit Sharma: https://movies.stackexchange.com/a/117046 (CC BY-SA 4.0).
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