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6
About Your Snap Circuits
®
LIGHT Parts
(Part designs are subject to change without
notice).
BASE GRID
The blue snap wires
are wires used to
connect components.
They are used to
transport electricity and do
not affect circuit performance.
They come in different lengths to
allow orderly arrangement of connections
on the base grid.
The red and black
jumper wires make
exible connections
for times when using
the snap wires would be
difcult. They also are used to
make connections off the base grid.
Wires transport electricity just like pipes are
used to transport water. The colorful plastic
coating protects them and prevents electricity
from getting in or out.
Glow-in-the-dark Fan
Electromagnet
Shaft
Shell
Magnet
Power Contacts
BATTERY HOLDER
How does electricity turn the shaft in the motor?
The answer is magnetism. Electricity is closely
related to magnetism, and an electric current
owing in a wire has a magnetic eld similar to
that of a very, very tiny magnet. Inside the motor
is a coil of wire with many loops wrapped around
metal plates. This is called an electromagnet. If
a large electric current ows through the loops, it
will turn ordinary metal into a magnet. The motor
shell also has a magnet on it. When electricity
ows through the electromagnet, it repels from
the magnet on the motor shell and the shaft
spins. If the fan is on the motor shaft, then its
blades will create airow.
Motor (M1)
The base grid is a platform for mounting parts
and wires. It functions like the printed circuit
boards used in most electronic products, or like
how the walls are used for mounting the electrical
wiring in your home.
SNAP WIRES & JUMPER WIRES
The motor (M1) converts electricity into
mechanical motion. An electric current in the
motor will turn the shaft and the motor blades,
and the fan blade if it is on the motor.
The batteries (B1) produce an electrical
voltage
using a chemical reaction. This “voltage” can
be thought of as electrical pressure, pushing
electricity through a circuit just like a pump
pushes water through pipes. This voltage is much
lower and much safer than that used in your
house wiring. Using more batteries increases
the “pressure”, therefore, more electricity ows.
Battery Holder (B1)
MOTOR
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