Ratnakar Ramchandra Joshi (born on June 1, 1956) of Pune, Maharashtra has collected more than 200 miniature car models, including match box sized Mercedes Benz (smallest model), F1 model (largest – 3 ft) a 1923 Ford Truck (oldest model), Audi Q7 (latest model) etc. He has about 160 foreign car models and more than 40 Indian models like Mahindra, Tata Motors and two wheelers like Suzuki, Honda etc. He has held 25 public exhibitions of his collection of miniature cars from January 1, 2008 to December 30, 2011.