Manual

-24-
Assembly (adult supervision highly recommended):
1. Place base grid supports on base grid A.
2. Place parts (except for the jumper wires) on base grids B & C, and
install into base grid supports on grid A. The pegs should be facing
inward.
3. Place remaining parts on grid A.
4. Place parts (except jumper wires) on grid D.
5. Mount grids D & E, at 45 degree angles
and with pegs oriented as shown
(down for grid D, up for grid E), on
top of grids B & C using 6
stabilizers. Adjust the positions
of the stabilizers as needed.
6. Gently place the light tunnel (U30) on grid E.
7. Add the Q4 attachment and jumper wires (2 blue, 1 red, and 1 black).
Turn on the slide switch (S1); the white LED (D6) and light tunnel should
be on, but there should not be any sound. Now place your hand between
the white LED and the phototransistor (Q4); an alarm sounds and the
color LED (D8) turns on.
Other side
view
Underside
view