Step 1: Get Materials to Craft Minecraft TNT
Cardboard tubes -9 tubes
Wick - 6 inches
Red Spray paint
Flash powder -10 grams
Lighter to light wick
Step 2: Attach Cardboard
Glue cardboard tubes together by attaching them side by side with a thin line of glue. Let glue dry.
Step 3: Using Glue and Paint
After glue has dried paint the cardboard tubes with red paint.
Step 4: Sides and Bottom of TNT
When the paint has completely dried mix a small amount of rock hard with water. Fill the bottom of the middle tube 1/4" from bottom to make a plug for your flashpowder.
Turn the tubes to the top side. Take the flashpowder (10grams) and pour into middle tube with plug in bottom.
Insert wick into middle tube.
Step 5: Top of TNT
Mix enough Rock Hard to plug each tube at the top. Make sure to keep wick straight in middle tube as it dries.
Step 6: Label Your TNT
Using the tape (with some help) wrap around TNT once. Write the letters T-N-T using the black marker.
Step 7: Detonate Crafted TNT
With adult supervision while at a safe distance of at least 50 feet away from other people, buildings, etc., detonate TNT by lighting the wick.
Step 8: Start Mining
Collect your ores.
Step 9: Minecraft TNT Instructable Videos