Source google image: https://www.lego.com/r/www/r/catalogs/-/media/catalogs/articles/family/articles/flash%20cards/flashcard_contentimage_fruits_744w_2x.jpg?l.r=-1907257847
Lego number flash cards
Source google image: https://www.lego.com/r/www/r/catalogs/-/media/catalogs/articles/family/articles/flash%20cards/flashcard_contentimage_fruits_744w_2x.jpg?l.r=-1907257847