Poptropica Game Of Brain Games On The Game Poptropica, How Do You Get Inside The Sphinx In Nabooti?

On the game Poptropica, how do you get inside the sphinx in Nabooti? - poptropica game of brain games

I have all the islands, but Nabooti, and I was beating all Nabooti Giza. I know I need something from the man-in-bag free, but you do not know how to get there ...