There’s nothing sweeter than ripe watermelon, summer treats, and handmade cards with a surprise inside. This colorful trio opens up to a fun pop-up feature that you can use to display photos, words of encouragement, and even gift cards. You’ll learn an easy-peasy technique for creating these memorable cards and have plenty of leftovers to make additional ones. From end-of-year teacher gifts to graduation and 4th of July parties, you’ll be all set to celebrate those special summer milestones.