bluecastle
DIS Veteran
- Joined
- Feb 27, 2012
- Messages
- 5,755
I used to use tissue boxes as an example of rectangular prisms when helping to teach math in elementary school. (Obviously, not the cube boxes!) I have tissue boxes in almost every room in my house 
Storage/file boxes, especially the ones that have wheels
Books!

Storage/file boxes, especially the ones that have wheels
Books!
