Do It Yourself Bulletin Board Set “Tree Of Thanks”. Looking for a creative autumn activity for your whole group of kids? With 24 leaves for kids to put what they’re thankful for on the tree, this bulletin board display makes a fun-filled DIY project they can enjoy all autumn long. Includes 1 card stock tree and 24 leaves. (25 pcs. per unit) Tree, 46 3/4" x 29"; leaves, 5".