A child is able to build blocks of 5 Cubes developmental age is –
**Core Concept**
The developmental age of a child is a measure of their cognitive, social, and physical abilities, relative to those of a typical child of the same chronological age. In this context, the question is referring to the Piagetian stages of cognitive development, specifically the ability to build blocks of a certain complexity.
**Why the Correct Answer is Right**
The correct answer is related to the sensorimotor stage of cognitive development, where children learn to coordinate their sensory and motor experiences. Building blocks of 5 cubes requires a certain level of fine motor control, hand-eye coordination, and problem-solving skills, which are typical of a child in the early pre-operational stage (around 2-3 years old). This stage is characterized by the development of symbolic thinking and the ability to use mental images to solve problems.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not provided.
* **Option B:** This option is not provided.
* **Option C:** This option is not provided.
* **Option D:** This option is not provided.
Please note that since the options A, B, C, D are not provided in the question, I could not explain why they are incorrect.
**Clinical Pearl / High-Yield Fact**
It's essential to note that developmental age and chronological age are not always equivalent, and a child's developmental age may be advanced or delayed relative to their chronological age.
**Correct Answer:** A child's ability to build blocks of 5 cubes is a developmental milestone typically seen around 2-3 years old.