Thomas Shapes of Sodor Wooden Puzzle. This Thomas puzzle has five big wooden pieces and it depicts Thomas the Tank Engine with Bertie. 5 large pcs. Ages 2 and up. Measures 11 1/2 x 8 1/4. 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.