英文關鍵字
abacus
activities
background
board
bright
child
childhood
children
close
cognitive
colorful
colors
concept
count
counting
development
discovering
early
education
family
fingers
full
fun
games
hands
kid
learning
leisure
lifestyle
mathematics
numbers
numerics
one
parenting
people
person
playful
playing
pointing
process
skills
summer
toddler
toy
wooden
young