The Nichimo 1:16 Ford Mutt came with camping gear, a guitar, a revolver and a rifle and a driver with a separate ten gallon Stetson.
Many of the old Japanese kits came with some geegaw or other. There was a series by Tamiya, where each kit contained a 1/24 car and a moped or scooter.
Most of the Japanese vans contained some kind of recreational gear, like skateboards, RC models, ghetto blasters, tennis rackets, the like.
The Monogram 1/24 Tom Daniel Red Baron comes with a little Fokker Triplane.