Engineering Day will be held on Saturday, Feb. 13, from 10-3, at the Discovery Museum, 4450 Park Avenue, Bridgeport.

Make scribblebots & electric sprinkles, construct a geodesic come, create a seismic shake-up, plus, planetarium shows, make-&-takes, and Q&A with engineers.

Bring a new or gently used book, get $1 off admission (limit 1 per admission).

Cost: $10 adults, $8 children. Members free.