Choo Choo all aboard the Train Sound Puzzle! Melissa & Doug's Train Sound Puzzle combines puzzle fun with all the best train sounds. Simply place each vibrant wooden piece on top of the matching illustrated spot on the sturdy board, and listen up! Real train noises will come right from the puzzle. Offered by Educational Toys Planet, this toddler activity toy features the safest design and will help your child sharpen fine motor skills, problem solving and sound recognition. All little engineers get ready, listen and play with 9 pieces Train Sound Puzzle!