Mercer Slough Environmental Education Center

A partnership with the City of Bellevue, offering nature-based programs for all ages.

Wetland Waddlers

Explore Mercer Slough with your preschooler and grow a connection to the natural world! Each two-hour class includes art, play and story time designed around a seasonal theme.

Wetland Waddlers

Register Now for Wetland Waddlers

Reserve you and your early learner’s spot in one of our upcoming sessions of Wetland Waddlers at Mercer Slough! Registration for the next session of Wetland Waddlers closes on the Friday before the program date at 11:59 p.m. For questions, call (206) 443-2925 or email edprograms@pacsci.org.

Program Details

  • Time: Saturdays, 9:30-11:30 a.m.
  • Ages: 2.5-4, with a parent or guardian*
  • Cost: $20, or $15 for Pacific Science Center Members

*We understand that finding childcare for siblings can be difficult. While activities are designed for children ages 2.5-4, siblings younger than age 2.5 are welcome to accompany participants free of charge. For siblings older than age 4, please contact mercersloughprograms@pacsci.org.

All ticket sales are final and nonrefundable. We reserve the right to cancel a session if enrollment is insufficient and will contact registrant for a full refund. We will notify registrant at least 48 hours prior to the event start time.

Upcoming Dates

Oct 27: Whooo Lives Here?
Some animals have a spooky reputation, but there’s no need to be afraid! We’ll learn about why owls, bats, and spiders are important- and fun!

Nov 10: Track Detectives
Sometimes it’s hard to see wildlife on a hike, but we can still tell where they’ve been. Learn how to be a “track detective” as we search for the signs animals leave behind.

Dec 8: Waiting for Winter
When it’s cold outside, we put on coats and turn on our heaters. What do plants and animals do? Join us to find out!

Jan 12 and 19: Ice is Nice
Come explore the frozen park! We’ll build with ice, break ice, melt ice, and even use ice to make art.

Feb 9 and 16: Nature Rocks!
A rock can be an instrument, a tool, a treasure, a building block, and more.  With rocks of all shapes, textures, and sizes, there’s so much to investigate. What else do you think can a rock be?

Mar 16: Wonderful Wetlands
What IS a wetland, anyway?  We’ll take an up-close look at the plants and other unique things that live in wetlands, and learn about why they’re so important.

Mar 30: Mud Appreciation Day
We always find mud on our hikes, but this class is dedicated to the squishy stuff. Come jump in puddles,  make mud cakes, and most of all, get messy!

Learn more about this fascinating program in this quick PacSci Podcast:

Mercer Slough Environmental Education Center
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