This is 15 puzzle( Sliding puzzle ) of the mascot "Gunma-chan" of Gunma Prefecture. You slide 15 panels with one missing panel on the 4x4 board, and put them in order.The three pictures of "Gunma-chan" changes. It is difficult for you at first, but if you master a solution you will solve it in 1~2 minutes.You can also select the "training mode" for mastering a solution. the mascot of Gumma Prefecture "Gunma-chan" .Gumma consent 26-060623 .

Solve popular 15-puzzles of famous art works from the National Gallery of Art featuring historic figures. Puzzle images are bright photographs of brilliant portraits from the American Revolutionary Period. Puzzle game provides tools for helping you solve the puzzles including anchors indicating puzzle pieces correctly matched, frame numbers for puzzle tiles, and blank grid mode to view tile numbers.This historic figures series features depictions of the Gilbert Stuart Collection from the open access archives of the National Gallery of Art. These images of George Washington, Thomas Jefferson, John Adams, and others are from the period 1780-1820 at the beginning of the Unites States of America. They represent a popular and elegant esthetic of the time. Enjoy!