Displays bring math principles to life with exhibits that leave school kids squealing with delight. One is a "Coaster Roller" that glides over plastic acorns.
Another is a square-wheeled tricycle that rides smoothly, because the wheels fit into gaps in the track.
MoMath, as it's called, opened earlier this month in Manhattan. The museum's Cindy Lawrence says the exhibits show how creative math can be.
