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World's Slowest Marble Roller Coaster
STEAM Break Week
2017-03-29 15:00:002017-03-29 16:15:00America/ChicagoWorld's Slowest Marble Roller CoasterExperiment with household objects to build the world’s slowest marble roller coaster! Limit 10 kids.Downers Grove Public Library - Kids Program Room
Wednesday, March 29 3:00pm - 4:15pm
Add to Calendar2017-03-29 15:00:002017-03-29 16:15:00America/ChicagoWorld's Slowest Marble Roller CoasterExperiment with household objects to build the world’s slowest marble roller coaster! Limit 10 kids.Downers Grove Public Library - Kids Program Room