Sword and Spoon Group, 52 Waltham St, Lexington, MA 02421, US

Peter Bloom has been sharing his Domino Physics for more than 10 years. He works with businesses, schools and private parties with the goals of team building, educating and entertaining. With thousands of dominoes and other props such as ramps and toys, he instructs and encourages groups to work together to build a toppling trail of dominoes. He poses the question, "what can you convince a falling domino to do on its way down?" The results yield Jenga-type towers that are 6-12 feet high, cooperative marble machines and domino lines with special effects built in. Call to schedule an appointment.

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