Why not knit something for their ... which made for an adorable mini mitten. You can use any yarn you like for this pattern, ...

knit round plain until from the setting of the fore-finger it measures two and a half inches, then narrow off suddenly. In second mitten it is better to set the thumb on the third needle instead ...

Our pint-size mitten pattern fits most 2-to-3-year-olds. 1. Knit the cuff: Using #4 needles, cast on 36 (26) stitches. Join for working in the round, being careful not to twist stitches.