Usually a size 3.5 to 4.5 Tunisian hook, depending on yarn weight.
Often requires 1.5 to 2 balls of anti-pilling baby yarn (e.g., Nako Elit Baby) for a standard 1-year-old size. Buttons: Standard designs use 6 buttons. General Construction (1-Year-Old Size)
Tunisian crochet uses a long "hook-needle" (tığ şiş) that holds all stitches on the hook during the forward pass and works them off on the return pass.