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We got this for a birthday party and the hydraulic detonator setup was way more engaging than I expected—the kids loved building the launch pad before the chemical reaction made the bottle rocket blast off. Took a few tries to get the pressure just right, but that trial-and-error was honestly half t

My kids spent an entire afternoon launching this thing in the backyard, and the chemical reaction is genuinely loud enough to make you jump. The launch pad feels sturdy, and setting up the detonator took us maybe ten minutes the first time.

The hydraulic detonator feels surprisingly sturdy for a kids' toy, and watching the chemical reaction build before the boom is genuinely thrilling. My son and I have launched it four times already and the pressure release is consistent every single time.