This whistle is fun, it makes train sounds that make you entertain. It is my first instructable!
Step 1: Ready a Small Paper
Your paper should be small.
Step 2: Fold in Half
Fold in half.
Step 3: Rip a Little
Rip small, not too big.
Step 4: Fold Again
Fold an edge shown in photo.
Step 5: Another Fold, the Same Subject
fold the other edge, like number 4,
Step 6: Hold Correctly, and Blow!
hold it with point and middle fingers, blow!