NameTrain Letter Car U is crafted from locally sourced and sustainably harvested hard maple. Magnets allow you to attach cars to form names and words. Each NameTrain Letter Car is available in one of 6 colors: red, orange, yellow, green, blue, or purple. The Letter Car measures about 2-1/2″ tall and about 2-3/8″ long. Compatible with our and other wooden train sets. Non-toxic finish.