Writing letters, numbers, images using chocolates, nuts, sugar, salt, licorice, etc.
The Concept of Trapping a Slow-moving Creature (e.g., Turtle, Caterpillar);
understanding the concept of מטה של פרקים (a bed used to travel that had to be put together and taken apart);
Understanding the concept of separating "pesoles" (bad) from "pesoles"(bad). Ex. Separating recycling from the rest.