For the tenth year in a row, the WSSA STACK UP! has set a new Guinness World Record for "Most People Sport Stacking at Multiple Locations in One Day"
Thanks to the 618,394 stackers, 2,691 schools and organizations from 31 countries who took part on November 12, 2015, a new Guinness World Record
Participating organizers don't forget to download your 2015 WSSA STACK UP! Stamp of Approval as a keepsake of this year's record-setting event. Create one for your School / Organization and for each Participant if you like!Download Your Stamp Of Approval