It's been a while since I played with the Boxes! but the list as has grown, and multiple boomies have been claimed.
Here is how its played, your entry is a Blindbox....... chose a boxes from the List belows for better odds.
*Those Box sets are only missing 1 box for completion. If the box you send happens to be the missing Box, you win a Boomy!
* If you send a box that wins a rare achievement on a set, You win a Boomy!
Don't send Boxes if I have the set!
Missing 1 last Box!
* Planet 420
* Shamrockin'
* Be Mine
* Winter Wonderland
* Bottoms UP
* Ice Cream Truck
* Animal Friends
* Movember
* Egg Hunt
* Summer Blooms
All other boxes WELOME for rate achievements, with the below exception. The following Sets are complete
* Paw-some Pups
* Great Outdoors
* Spellbound
* Nothin' but LOVE
* Hot Boxin'
* Happy Luna New Year
* Schrodinger's Cats