However, some of the "demonstrations" have more zing than others. Watching a polystyrene train tediously crawling around a track, and a sewing machine stitching patterns into a piece of cloth quickly lead to the uncomfortable moment when you show your disinterest to the attendant by leaving.
Whether visitors sprint from demo to demo or not, there's more than enough to keep everyone busy for a full day. Ivan, a visitor from Russia was visiting the museum for the second time, having run out of time before.
"You need about eight hours to cover everything," he said, eyes glued to patterns revealed in falling streams of water.
The Exploration and Discovery section is particularly good for ADHD types, filled with buttons to press, knobs to twist and cranks to wind, each resulting in some peculiar electrical or magnetic reaction.
The building also includes four distinctly different projection theaters. The dome theater is the highlight, doing what planetarium theaters do. High tech projections on a 1,000- square-meter screen provide the clearest views of Beijing's sky.
China Science and Technology Museum
Tickets: adults, 30 yuan. Children/students, 20 yuan
Varying ticket prices for movies
http://www.cstm.org.cn
Getting there: From South Gate of Forest Park subway station (Line 8), walk south for five minutes, then on Kehui South Road walk east for five minutes.