AllCrafts.net and WoodworkingDownUnder.com offer plans for building wooden toy trains for free. AllCrafts.net offers a link to a detailed plan for creating a train with multiple cars. This train set includes an engine, coach car, coal car and flat bed car.
This plan provides a detailed list of supplies needed and the way to assemble the train once individual pieces are completed. WoodworkingDownUnder.com provides a hobbyist with four plans for trains, including an 18th century switch engine. The last two plans feature detailed woodworking on the wheels, chassis and other moving parts that make the toy trains appear more real and detailed.