As part of the Cambridge Science Festival, Machine Science will host a Water Rocket Day on Saturday, May 2, 2009. Attendees will have the opportunity to build their own rockets, using two-liter drink bottles. The rockets, powered only by water and compressed gas, can reach altitudes of over 300 feet and accelerate to speeds approaching 200 miles per hour!

DATE: Saturday, May 2, 2009

TIME: 10AM to 3PM

LOCATION: Danehy Park, 99 Sherman St, Cambridge, MA

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AGE: Eight and up. All children must be accompanied by an adult.

WHAT TO BRING: One tennis ball and two 2-liter plastic drink bottles for each rocket.

COST: $10 per person (payable by check or by credit card)

SPACE LIMIT: 30 participants

REGISTRATION: To register, please contact Sam Christy of Machine Science at 617-354-7171.