Things to do in Boston this week: 'Mean Girls' dinner, Celtic Music Festival and more

🎞 If girl dinner isn't your thing, the Alamo Drafthouse is hosting a "Mean Girls" movie party and sing-along Thursday and Friday at 7:15pm.

• Cost: $19.81 for the movie party and sing-along each.

🌱 Dorchester Brewing Co. is hosting a terrarium workshop Tuesday 7-9pm.

• Attendees will make one terrarium to take home with supplies provided at the workshop.
• Cost: $40.

📚 Author Rachel Slade discusses her book "Making It in America: The Almost Impossible Quest to Manufacture in the U.S.A. (And How It Got That Way)" with the New York Times' Farah Stockman Tuesday at 7pm at Harvard Book Store.

🎲 Satisfy your inner child with an adult board game night Wednesday at 6:30pm at Wollaston Library.

• Games range from Fallout Shelter to Sherlock Holmes: Consulting Detective (see the full board game list).
• No registration required.

🥟 The MIT Museum's "After Dark" series explores the art of the fold, from large origami models to a machine that creases on its own.

• Attendees can learn how to fold dumplings with help from Mei Mei.
• Cost: $15 ahead of time, $20 for same-day purchase. Pre-registration is encouraged.

🎻 The 21st Boston Celtic Music Festival kicks off Thursday at 7pm at Club Passim in Cambridge.

• Neil Pearlman & the Wallbreakers are on stage on night one, along with Jenna Moynihan.
• Cost: $30.