英文關鍵字
magnetic
toy
construction
constructor
play
magnet
square
design
children
plastic
geometric
geometry
education
game
child
designer
cube
builder
shape
construct
triangle
element
creative
development
graphic
build
developing
preschool
childhood
learning
leisure
kindergarten
building
creativity
assembly
engineering
designs
architecture
games
models
constructivism
intelligence
kids
hand
hands
closeup