Q. How can you keep the fireworks' tubes from falling over and shooting fireworks in unpredicted and unsafe directions? (At bushes, cars, spectators, etc.)
A. Make an easy DIY fireworks platform.
Screw the launch tubes to a big piece of plywood.
Really, you are thinking--shoot fireworks on top of something flammable? As anyone who has ever tried to start a fire to cook dinner or roast marshmallows, wood doesn't burst into flame as easily as you'd expect.
We've used the same one for years and it's never caught on fire.
Despite us doing this: