A book which makes you save 100,000yen : Chokin-bon
You go to the 'Trip of saving' by putting a 500yen coin in the hole on the page, from Bangkok, Peking to the next city. You can enjoy world travel in the book by reading a comment of the city or small stories of money.
(tenyo.co.jp/ toysrus.co.jp: Approx. $10.00)
