2′ of 1/2″ CPVC pipe (Few hardware stores sell this in lengths of less than 5′.)
one CPVC end cap
a 6″ length of 1″ by 2″ pine board
a 5″ length of 1″ by 1/2″ pine trim
two #12 hose clamps (about 5″ long, used on hoses 11/16″ to 1 1/4″ in diameter)
two 1″ wood screws
two 1/2″ wood screws
a small, nonconductive enclosure, such as a throat-lozenge or candy box
a disposable 35 mm camera with a flash
an empty 35 mm camera film canister
one 10k ohm resistor (coded with brown-black-orange stripes)
one SPST (single pole, single throw) momentary push-button switch, such as RadioShack part #275-1571
one SPST mini-toggle switch, such as RadioShack part #275-612
duct tape
22- or 24-gauge insulated, stranded-core hook-up wire
three straight pins
a pencil with brand new eraser
Gorilla Glue
electrical tape
2′ of 1/4″ dowel (or a 2′ scrap of bamboo garden stake, leftover from making FedEx Kites in Chapter 23)
a canister of Binaca breath spray
a bag of mini marshmallows (for ammunition)
(optional) a AA battery holder and a second SPST mini-toggle switch
(optional) double-sided, foam-backed tape
(optional) a second SPST momentary push-button switch, which makes RadioShack part #275-1571 a good buy, since it includes two identical switches