On-Line Jigsaw Puzzles

This puzzle has 48 pieces in classic puzzle piece shapes.  However, it can be adapted from 6 to 247 pieces with a variety of types of puzzle pieces. To do this, click on the shapes button and choose the type of shapes and number of pieces.

Historic windows in Port Huron Michigan
Source: photographer Carol Highsmith, US Library of Congress

June 30th is Sky day.