activity
aerial
battery
build
bulb
children
circuitry
clamp
conductive
connection
creativity
development
device
discovery
diy
education
electricity
equipment
experience
experiment
fix
fruits
fun
game
hands
holding
interesting
invention
isolated
kid
knowledge
laboratory
lamp
lemon
light
materials
metal
pincers
playing
pliers
repair
research
science
setting
student
studying
test
top view
white
wires