Bend’s non-profit Buy A Tree Save A Life is sponsoring “Slice of Summer” a FREE family fun day with bounce obstacle courses, carnival games, giveaways, contests, and prizes…AND EVERY STUDENT will get a new backpack full of school supplies. Come and join the fun on Saturday, July 31, at 10am-2pm at the BUY A TREE. CHANGE A LIFE. lot, 61690 Pettigrew Rd. in Bend.