What is a child who plays alone with toys and remains happy called?

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E6 Comprehensive Textbook of Community Health NursingShyamala D part 1 (pp 26-389 of 389) p. 143-145
E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 1 (pp 36-238 of 713) pp. 133-135, 134-136
Practise the full MP CHO-2020
Attempt every question from this paper in a timed mock, then review the full solution for each one.