advantages
background
backpack
bag
book
boy
caucasian
challenge
child
climb
climbing
concept
creative
cute
development
difficulty
education
future
goal
grow
growth
hard
kid
knowledge
ladder
learn
little
male
opportunity
progress
school
solution
stair
staircase
stairs
stairway
standing
step
steps
student
study
success
successful
up
way
young