Where do you find the thing for the sphinx on poptropica?

You go get the phone and then go get the black headdress go to the very top of the map and there is a place called Giza go there and get the shovel on the shovel there is a number call it. it will distract the cowboy. now go look at the bag get the jewel go to the top of the sphinx and go to your inventory and hit use.