Thomas the Tank Engine back to school puzzle in a tin box. It's a school time. Get ready. Thomas the Tank engine is here to take you to school. The artwork shows Thomas the Tank Engine pulling a train full of students getting ready for school. Puzzle comes in a tin box with a convenient handle. 35 pcs. Finished puzzle size: 12x17. Ravensburger puzzles are of a great quality with pieces that fit! Handmade cutting tools ensure that no two pieces are alike. Grained paper ensures glare free picture. Strong pieces that don't break. Made from special recycled board. Thomas & Friends puzzle meets or exceeds the US Toy Safety Standards (ASTM).