EuroGraphics Morning Glory Pool 1000-Piece Puzzle Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". Morning Glory Pool is a hot spring located in Yellowstone Upper Geyser Basin. The spring resembles the morning glory flower and on rare occasions it has erupted as a geyser usually following an earthquake. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.