CONSTRUCTION METHOD
1. First, obtain about 25 pounds (~10 kg) of Plutonium239 at your local supplier (see NOTES 1 & 2). A nuclear power plant is not recommended, as you'll have to extract and separate it from spent fuel rods, and it's a messy job. Besides, large quantities of missing Plutonium tends to make plant engineers unhappy. We suggest that you contact one of the former Soviet Republics, or perhaps the Junior Achievement in your neighborhood.
Fig. 1The sheet metal and the completed enclosure. A small rolling toolbox was chosen for the design, because of the ease of transport. Note the various stickers, which add believability to the disguise.
2. Fashion together a metal enclosure to house the device (Fig. 1). Most common varieties of sheet metal can be bent to disguise this enclosure as, for example; a briefcase, a lunch pail, or a Buick. Do not use tinfoil or gum wrappers.
3. Arrange the Plutonium into two hemispheral shapes (Fig. 2), separated by about 4 cm. Use rubber cement to hold the Plutonium dust together.
4. Now get about 100 pounds (44 kg) of trinitrotoluene (TNT). Gelignite is much better, but messier to work with. Your helpful hardware man or local Bomb Depot store will be happy to provide you with this item.
5. Pack the explosives around the hemisphere arrangement constructed in step 4. If you cannot find Gelignite, feel free to use TNT packed in with Playdoh or any modeling clay. Colored clay is acceptable, but there is no need to get fancy at this point.
6. Wrap this entire structure very tightly with duct tape (Fig. 3). Use a whole roll. This shall be the neutron reflector and inertial containment.
7. Insert the assembly from step 6 into the enclosure made in step 2. Use a strong glue such as "Crazy Glue" to bind the hemisphere arrangement against the enclosure to prevent accidental detonation which might result from vibration or mishandling.
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