Cross Sticky Boards. Simple and fun just peel off the top layer of these Cross Sticky Boards and stick on your designs. Use anything at your disposal – jewels beads macaroni or anything. This simple project is a delightful Sunday School activity that kids will love to share. Attach our self-adhesive magnets (sold separately) to the back so kids can display these fun 5 x 7 crosses at home as easily as they made them. With 2 dozen Cross Sticky Boards per unit you'll have lots of faith-filled fun for everyone. Age Recommendation: Ages 5 & Up: