This is a good way to use up some of the bits of stash yarns. You will need at least one skein of the main color and partial skeins of the contrasting colors.
Ravelry: Planes, Trains & Automobiles Cowl pattern by Tanis Gray
Train & Tracks Hat - Locomotive, Coal Car, Passenger Car, Caboose knitting pattern in PDF format is written for ages with a circumference.
On my trip to Frankfurt I went by train. It ‘s a two color train beanie.
Ravelry: Baby Boy Bartz Baby Blanket pattern by Deborah Tomasello