Come up with the best container to hold M&M's...

[Pretender]

*Note 1: I suck with MS Paint
*Note 2: This design probably sucks
*Note 3: The top/bottom are supposed to be the same size as the sides and are supposed to fit into one another.

Blah

 

[Sephiroth_IX]

Make it octagonal. They will fit like puzzle pieces in a truck and be of varying length.