Send for a FREE Learn To Cross Stitch Kit. Send an addressed stamped envelope to Yarn Tree, PO Box 724, Ames, IA 50010. The kit contains the Beginner Chart & Instruction shown above, fabric, floss, and needle. Send one to a friend who might like to learn cross stitch! If you are sending to a friend, please include a short note in the addressed stamped envelope letting your friendÂ know that you requested the kit for them.