Boy doing a centrifugal force experiment at a science centre

indoors day one person kid child boy schoolchild school kid schoolboy african american ethnicity black science centre laboratory childhood looking around interested excited presentation exhibit museum education playful playing smiling learning looking up standing holding on spinning turning dizzy centrifugal force experiment science knowledge discovery curiosity fun roundabout merry-go-round playground casual clothing white shirt dark hair short hair head and shoulders close up selective focus handheld