Flying scotsman 3d puzzle trainbuild the most iconic train ever made the flying scotsman this scaled 3d puzzle has an estimated build time of 3 to 4 hours no glue or tools are needed because of a clever push fit system which works incredibly wellthis 3d puzzle and model is suitable for ages 8 and over and some adult assistance may be needed for younger usersthe 3d flying scotsman train model is the perfect gift for locomotive enthusiasts puzzle lovers and hands on peopleproduct detailss