英文關鍵字
count
ten
countdown
counter
learning
school
kids
hand
math
learn
motion
set
collection
counting
teaching
calculation
educational
mathematics
study
holding
wooden
child
toy
childhood
wood
development
play
education
kid
skill
children
lifestyle
natural
toys
smart
sorter
sorting
training
activity
elementary
small
items
calculating
didactic
tools
acorns
yellow
warm
table
acorn