英文關鍵字
adolescent
arm
assembles
boy
caucasian
circuit
class
color
colour
constructing
constructor
designer
details
education
electrical
enjoying
enjoyment
experiment
hand
home
house
indoor
indoors
insite
instrument
junior
kid
learning
meccano
mixed
physical
physics
pre
race
room
science
sitting
table
teen
year
youth