Alice drank a potion that made her small then she could not reach the key
"Maybe this key goes to one of the doors"
The author says, "Alice was beginning to get very tired of sitting by her sister on the bank, and of having nothing to do: once or twice she peeped into the book her sister was reading, but it had no pictures or conversations in it, 'and what is the use of a book, thought Alice without pictures or conversation? " " Weather the pleasure of making a daisy chain, when suddenly a White Rabbit with pink eyes ran close by her. "
The story says, "Would the fall NEVER come to an end!" "I wonder how many miles I've fallen by this time? she said aloud" "I must be getting somewhere near the centre of the Earth
"Suddenly she came upon a little three- legged table, all made of solid glass; there was nothing om it except a tiny golden key." "There seemed to be no use in waiting by the little door, so she went back hoping to find another key, but when she went back there was a small potion that in big letters that said DRINK ME"