This Weekend in Somerville: Fluff Fest, Tufts Community Day, Muslims

What the Fluff Festival
The eighth annual Fluff Fest takes place Saturday in Union Square. This year there will be more Fluff vendors and a FluffATron 3000. King Kong will make an appearance. It's from 3 p.m. to 7 p.m. The rain date is Sunday.

Tufts Community Day
The 11th annual Tufts Community Day takes place Sunday from 11 a.m. to 3 p.m. on the main Tufts quad—at the top of the hill. There will be a free barbecue, live music, pumpkin painting, face painting and crafts. One highlight includes the Tufts Quidditch team, which will run a game called "kidditch" for kids. Also, the Tufts Hybrid Racing Team will make a presentation.

"The Muslims Are Coming"
This film, in which comedians confront the realities of being Muslim in America, and which features interviews with people like John Stewart, Lewis Black and Rachel Maddow, opens at Somerville Theatre on Friday, and there will be a question-and-answer session with the filmmakers afterward. Check Somerville Theatre for showtimes. If you miss Friday's event, the show runs through Oct. 3.

Harvard Book Store Warehouse Weekends: Local Innovation
Harvard Book Store continues its "warehouse weekends" series on Saturday and Sunday. The book store is opening its 6,500 square-foot Somerville warehouse, at 14 Park St., to the public. This weekend's theme is "science fact vs. science fiction." In addition to deals on tons of books, there will be trivia games and an award for best costume. Patrons are encouraged to dress as fictional and historical figures. It's from 10 a.m. to 6 p.m. on both days.

A Gathering of Fairies
The listing says, "Build a fairy house, create fairy art, listen to a fairy story, and search the garden for signs of fairies." It's at the Community Growing Center, 22 Vinal Ave., Saturday at 1 p.m.

Author Joseph L. Braga and Illustrator Jessica Claudino
The creators of "The Adventures of Super Joey & Amazing Alex" will be at The Book Shop, at 694 Broadway in Ball Square, at 12 p.m.

Sidekick Soccer Academy: 'KICK with Care'
Kids and adults with special needs, disabilities, shyness or anxiety can participate in this soccer program. It's Saturday at 12 p.m. at Draw Seven Park, 85 Foley St., in Assembly Square. Click on the link to learn more.

Tour at the Museum of Modern Renaissance
Visit this Davis Square landmark on Saturday. For a reservation, call (617) 872-3807.