My 5-year old built the Creator Tower Bridge 10214 (with me overseeing and fixing his mistakes) over about two weeks. It's a truly gorgeous set! 41” long and 18” high; now I
LEGO Creator Tower Bridge (10214) - 4287 Pieces for sale online | eBay
LEGO MOC 10214 Tower Bridge Alternative build by InyongBricks | Rebrickable - Build with LEGO