The term 'Train to Box' can be solved by two crossword solutions: Lionel (6 letters) and SPAR (4 letters). Lionel is a brand of model trains and accessories that has been around since 1900. The company was founded by Joshua Lionel Cowen and is now owned by the Lionel LLC. SPAR is a type of railway car used to transport goods, usually coal or other minerals. It is typically made of steel and has an open top for loading and unloading.