Manual

Turn on the slide switch (S1). The horn (W1) sounds, the white LED (D6) is very bright, the
color LED (D8) is changing colors, and the light tunnel (U30) lights up with red, green, and
blue LEDs. For best effects, dim the room lights.
Project 86
Four Fun Green
Use the project 83-84 circuits but remove the 1-
snap and 3-snap wires from the left of the circuit,
and connect a 2-snap wire across points C & D.
Project 83 Four Fun
-58-
Project 85
Four Fun Red
Use the project 83-84 circuits but remove the 1-
snap and 3-snap wires from the left of the circuit,
and connect a 2-snap wire across points A & B.
Project 84
4 - 1 = 3 Fun
Use the preceding circuit but remove the
horn (W1), because some people may think
it is loud and annoying.
Use the project 83-84 circuits but remove the 1-
snap and 3-snap wires from the left of the circuit,
and connect a 2-snap wire across points E & F.
Project 87
Four Fun Blue
Use the project 83-84 circuits but remove the 1-snap
and 3-snap wires from the left of the circuit, and
connect 2-snap wires across points A & B and E & F.
Use the project 83-84 circuits but remove the 1-snap
and 3-snap wires from the left of the circuit, and
connect 2-snap wires across points C & D and E & F.
Use the project 83-90
circuits but mount it vertical
over one of the mini base
grids using two base grid
supports, as shown here.
Project 91
Vertical Four Fun
Project 90
Four Fun Green & Blue
Project 89
Four Fun Red & Blue
Use the project 83-84 circuits but remove the 1-snap
and 3-snap wires from the left of the circuit, and
connect 2-snap wires across points A & B and C & D.
Project 88
Four Fun Red & Green