Imagine riding the rails with friends from the animal kingdom, including elephants, zebras and lions. The Twin City Model Railroad Museum is exhibiting circus trains and animals. Circus Model Builders Inc. present miniature trains with hundreds of horses, tigers, bears and other animals. See cavorting clowns and parade wagons rolling down the street of Small Town USA. (10 a.m.-5 p.m. Sat.; noon-5 p.m. next Sun. $6. Twin City Model Railroad Museum, Bandana Square, 1021 E. Bandana Blvd., St. Paul. 651-647-9628. www.tcmrm.org.)
Magic and Monsters
A ghoulish day of science fun with appearances by the 3M Visiting Wizards and Frankenstein's monster. Reach your inner engineer by creating buzzers, lights and power motors. Make a monster candy vessel or magical potions with the Kitchen Pantry Scientist. Visit the Mary Shelley table and find out what inspired her to write "Frankenstein." (10 a.m.-5 p.m. Sat. $5-$7. Bakken Museum, 3537 Zenith Av. S., Mpls. 612-926-3878. www.thebakken.org.)
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