From what I've already experienced, storing Boomwhackers can be a nightmare. I decided to use up-cycled cereal boxes for storage containers. This way, they round plastic tubes can't roll out of the storage closet (like they did when I found them!)
I used 5 cereal boxes (1 larger one for the longer Boomwhackers)
Some cute wrapping paper from the Target dollar bin
And spray adhesive
The process was surprisingly simple. I sprayed the adhesive one side at a time, smoothed out the surface, and repeated the process until all the sides were covered.
I wrapped the bottom just like wrapping a present...
And flipped in the excess on the top.
This way, I covered the top flaps of the cereal box that I also flipped in and stapled.
And here they are: