This sliding tiles puzzle/calendar/coin bank has a total of 41 tiles arranged in seven columns and six rows.

• Inventor: Kim Ki Sup
• Mechanism: Moving Hole on cylindrical surface
• Patents: GB2107997 DE8132044U
• Producer: J. Shin Co.
• Year: 1984
• Original Price: $5.37 USD
• Current Price: No Data

31 tiles have a number printed on them, encouraging the solver to arrange the tiles in a calendar format. If I remember correctly (it's been a long time since I've held one of these), switching to a new month only takes a few seconds, as all six rows can be moved independantly of each other as well as the black top and bottom.
Produced in Korea.
In 1984 there was an catalogue from germany which offered this puzzle under the totally unfitting name "Multifunktionales Puzzle". This catalogue give an upper bound for the year and the original price of 9.90 Deutsche Mark.
Edge length: 33 mm
Height: 93 mm
Weight: 111 grams

Thank you to the following people for their assistance in helping collect the information on this page: Warren Pemberton, Sandy.

This puzzle can be found in collections of these members:

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