"Pon Pon" Pop Pop Boat No. D - 1950's model. Made in Japan. Nice Condition. £9.00 Out of stock Japanese made "Pop Pon" Boat, No "D". 1950's approx. With a conventional diaphragm pop pop engine. This boat is used and in average condition considering it is over 60 years old. Length - 4.25" (11cm) long.. Box is just present. Very worn, torn and damaged.