Stats:

Time: 4 hours

Cost: $125

Difficulty: Easy to medium

Tools:

Screwdriver

Soldering iron

Materials:

9,000- to 15,000-volt neon-sign transformer

Three-position terminal strip

No. 10 terminal screws

Plywood board, 24-inch-by-12-inch-by-1⁄2-inch

Two 14-inch-long No. 10 bare copper wires

Two 1-megaohm resistors

16-gauge insulated wire

1-inch-long No. 10 bolt with screw head cut off

22-quart clear polycarbonate container

Instructions:

Make sure the transformer is unplugged before starting.