close up of three primary school children working together with toy construction blocks in a classroom, low angle, side view

african american attention black blocks bonding book boys building caucasian children classmates close concentrating constructing construction copy day discovery down education educational elementary ethnicity focus foreground friends friendship girl group horizontal indoors instruction interested kids knowledge leaning learning looking making multiethnic on people preteens primary pupils school schoolboys schoolchildren schoolgirl side space standing teamwork three together togetherness toys up view waist working