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50th Anniversary Clay BOGO sale! Buy one SPS clay, get the 2nd 50% off. Use code GOLDENBOGO.

Street Closure! The S. Hanford railway crossing will be closed on 10/7 and 10/8. We'll still be open, but not accessible from 1st Ave. See below for detour information.
Ordering more than 250 lbs of clay? Contact us for a custom shipping quote!
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35 S Hanford St, Seattle, WA 98134

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Traffic note: The S. Hanford railway crossing will be closed

on October 7th and 8th, but we'll still be open! For a detour route,

take S. Horton → E. Marginal → S. Hanford → SPS (or follow detour signs).

Retail Hours

Tuesday - Saturday

9 AM - 6 PM

Warehouse Hours

Tuesday - Saturday

10 AM - 4:00 PM



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P65 WARNING:

Some of our products can expose you to chemicals including Quartz, which are known to the State of California to cause cancer, and Lithium Carbonate, which is known to the State of California to cause birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov

Prices Are Subject to Change and Items May Not Be in Stock.

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