Quantity   Component name
1 × Spectracide stump remover This is an easy source of potassium nitrate
1 × Clay
1 × Glucose or sucrose Sugar
1 × Aluminum powder Optional
1 × Baking powder Optional
1 × 1/4 inch bolt
1 × A nail
2 × Metal end caps
1 × Stove
1 × 1/4 inch drill
1 × Pvc, cardboard, or metal tube