Panasonic Toot-a-Loop Radio R-72 AM Transistor Vintage Blue working 2C18 | eBay
File:(Top) A Vintage Panasonic Toot-A-Loop AM Transistor Radio, Model R-72, Made in Japan and (Bottom) An Inexpensive Knock-Off, A Marksons' AM Wrist Radio Made in Hong Kong (11999910756).jpg - Wikimedia Commons
Panasonic Toot-a-loop | Museum of Design in Plastics
Vintage Panasonic Radio Toot a Loop. Japan 1969
It's an S it's an O, it's a crazy radio! Toot a loop!" | Panasonic Australia Blog