遊び心のある
back
blackboard
board
boy
brother
chalkboard
child
childhood
classmates
clever
complicated
concept
difficult
early
education
elementary
enjoy
expectation
friend
game
genius
girl
grade
happy
kid
kindergarten
learn
lesson
mathematical
nature
outdoors
park
people
pointer
preschool
primary
pupil
school
schoolchild
schoolgirl
sister
smart
student
teacher
to
together
two
uniform
young