Source google image: https://media.wired.com/photos/5954a0cb8e8cc150fa8ec6e7/master/w_1800,c_limit/HighRes_LEGO_DUPLO_bricks-story.jpg
Lego brick image
Source google image: https://media.wired.com/photos/5954a0cb8e8cc150fa8ec6e7/master/w_1800,c_limit/HighRes_LEGO_DUPLO_bricks-story.jpg