Carry more with the Choo Choo Trailer. Trailer easily attaches to your Choo Choo Wagon (sold separately) to create more room for additional cargo or passengers. Comfortable seat and roomy foot well. Molded-in cup holder, seat belt in every trailer and car locks onto wagon securely. Up to three trailers may be attached to one Choo Choo Wagon (for a total of five "cars"). Maximum capacity: 50 pounds per car. Ages 18 months and up.