Piaget's 7 conservation tasks and when your child can do ...
2022-2-10 · Get two balls of clay or play-dough (anything easily moldable into the shape of a ball), and place them in front of the child. Ask, while pointing, “does this ball have more clay, does this ball have more clay, or are they the same?” If the child is a perfectionist, they may point out that one is a little bigger 😉.
