Translated from Elena Laudanna's puzzle grid set https://grids.sensorysoftware.com/en/elena-laudanna/puzzle-5
It contains 5 simple 9 piece jigsaw puzzles. To make it a more manageable task for the user she has limited the choice of which by following an order of picking pieces. The grid set tells you which is the piece the user has to look for. It's designed to be used with a pointing device or eye gaze. The drawings were made by Marco Perfetti.