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World’s Tallest Glass Tree Festival at Yerkes Observatory (Williams Bay)

December 13 @ 12:00 pm - 7:00 pm $20
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Welcome to the MKE With Kids Events Calendar — your go-to guide for family-friendly events in the Milwaukee area. From free storytimes and hands-on workshops to can’t-miss festivals and seasonal celebrations, we round up the best local happenings for kids and families all in one place.

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Event Series: Holiday 2025
FESTIVAL DATES AND TIMES: 
Friday, December 5th from 4pm to 7pm
Saturday, December 6th from 12pm to 7pm
Sunday, December 7th from 12pm to 7pm
 
Friday, December 12th from 4pm to 7pm
Saturday, December 13th from 12pm to 7pm
Sunday, December 14th from 12pm to 7pm 
*Star-topping ceremony expected to start at 4pm on the final Sunday. 

LOCATION: Yerkes Observatory 373 W Geneva St, Williams Bay, WI

Witness the building of the World’s Tallest Glass Tree, live glassblowing, steel sculpting and woodworking. Alongside a Winter Market comprised of local artisans, craftspeople, and custom handmade glassware made by Mack.

NEW! All tickets include access to Yerkes Observatory to view the new renovations and the Great Refractor, the World’s Largest Refracting telescope built in 1897.

Please note: Dates and times are subject to change, and occasionally events may be cancelled. Please check the event website to confirm the latest details.

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Want to share an event? Submit it here for consideration.