Take out the charger and charge it.
1. There is a button on the right side of the magazine. Press and hold the button to remove the magazine.
2. There is a button next to the magazine. Simply press and pull to remove.
3. Load the bullets and the magazine, and that's it.
The reasons are as follows:
1. It may not be installed or assembled correctly, or it may be used incorrectly.
2. There may be debris or residue in the magazine or ballistic path, blocking the water bomb's launch port.
3. It may be that when the water bombs were made, the dried shrapnel was not soaked in water to allow it to fully absorb water and expand.