The Yellow Expedition (Croisière Jaune) was a French trans-Asian expedition in 1931/1932. It was organized by Citroën in order to promote their P17 Kégresse track vehicles. Blitz Kit offers a 1/35 scale set that includes the CK P17 tracked vehicle and civilian figures. The items may be acquired individually as well.
This is partial text from the full article (usually with photos) at https://armorama.com/news/blitz-the-yellow-expedition