architecture
attention
balance
block
boy
brick
build
cap
caucasian
child
childhood
competition
concentrate
concentrated
consciously
construction
development
education
educational game
emotion
exciting game
face
focussed
fun
funny
game
hand
happy
intended
joy
kid
learn
little
maintaining
maintaining balance
mental
object
pensive child
physical
play
practice
skill
square
stack
structure
taking decision
tower
toy
train
wood