The Sonic Water Blast Rocket is a great project for kids of all ages. This water rocket flies indefinitely, balancing on a stream of water from your garden hose. The throttle allows young astronauts to make controlled flights for lift-off, hover at different altitudes up to 15 feet (4.5 meters), then slowly return to the launchpad. This project doubles as a great water play sprinkler, making it fun on hot summer days.
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