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Sensorimotor Period
A stage in Piaget's theory of cognitive development, from birth to about 2 years, where infants learn through interacting with the environment.
Windup Toy
A mechanical toy that is powered by a spring, which is wound by hand to generate movement.
Representational Thought
The ability to use symbols, signs, or internal images to represent objects, actions, or ideas that are not physically present.
Symbolic Play
Play in which one object stands for, or represents, another.
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