mailbox
This thing lets you put other things inside it! Lets say you make a container named Box , and you want to put a Toy in the Box. You type:
1. open box
2. put toy in box
3. close box
And boom! It's in a closed box. Looking at the box will tell you what is in it. To get something from it, you:
1. open box
2. get toy from box
3. close box
And boom! You are holding the toy again! This thing is nice for a fridge, drawrs, etc.