Personalized Solving The Puzzle Long Sleeve T-Shirt. Autism awareness Long Sleeve T-Shirt - Pink with a red heart in a puzzle piece says SOLVING THE PUZZLE ONE PIECE AT A TIME. Show support and champion families with special needs children. PinkInkArt original! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL