How you can get this one-of-a-kind collector’s patch, showing your commitment to fitness? Easy! Download and print the attached PDF. Carry it with you whenever you walk and pay $3 for any of the 20 exciting Iowa State Parks on our list. Be sure to stamp this booklet! Walk each of the 20, or walk a favorite more than once, just so long as you have 20 stamps in your book. Follow the instructions on the back of the booklet to get your patch.