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Feed the Mammoth
Be Part of Something MAMMOTH!
Museum memberships, donations and proceeds from fundraisers make all of the museum's free public programs possible. Become a member or donate to your favorite cause and be part of something MAMMOTH! 

Feed the Mammoth Annual Fundraiser
The museum hosts it's annual membership drive "Feed the Mammoth" each holiday season on the Friday before Thanksgiving. The event is a celebration of the support received from members in the past year and a preview of exhibits and programs in the coming year made possible by the membership program. 

Mammoth Mascots
Proceeds from the sale of the museum's plush mammoth mascots benefit the Family & Education Fund. The fund is dedicated to family-friendly and educational programs like Free Family Saturday, school field trips and the museum's online collections portal. 

Fundraiser Events
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The Rusty Mammoth: Benefit Art & Collectible Sale
 Friday, August 11 - Saturday, August 12 

Time: 8:00 AM - 5:00 PM
Location: 401 S. Balsam Street

Curate your home on a budget and support the museum! Shop the museum’s benefit art and collectible sale. Thanks to our generous donors we are able to take what one person no longer needs or wants and turn it into someone else’s incredible treasure or bargain – and benefit the Moses Lake Museum & Art Center’s programs in the process. 

Want to participate? We are happy to accept donations to the sale! Gently used good quality items are welcomed and appreciated. We prefer items that fit into these categories: Art, Collectibles, Antiques, Ceramics, Glassware, Books, Art Supplies, Textiles, Home Décor and Jewelry. 

Have a question about a donation? Please contact us: or (509) 764-3830.

• The Rusty Mammoth sale does not provide appraisals or evaluations of donations for income tax purposes.
• Subject to current IRS and tax regulations, items donated to the Moses Lake Museum & Art Center’s benefit art and collectible sale are tax deductible for income tax purposes at their present fair market value. The Internal Revenue Code places the responsibility for estimating fair market value of the property received upon the donor. The Moses Lake Museum & Art Center’s Federal Tax ID Number is 91-6007721.
• Tax benefits for charitable contributions are available only to taxpayers who itemize deductions. Please refer to IRS publication 561. 
• All donations are final. Please carefully check and consider all donations.

Download a Donation Receipt

Feed the Mammoth Magazine
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Membership at Work
Our member preview, Feed the Mammoth shares the best of what membership has in store for the coming season.

We mail copies directly to our members 3-4 times annually.

Download archived issues here: 
Feed the Mammoth Magazine, Winter 2015
Feed the Mammoth Magazine, Spring 2016
Feed the Mammoth Magazine, Summer 2016
Feed the Mammoth Magazine, Fall/Winter 2016/17
Feed the Mammoth Magazine, 2017 Preview
Feed the Mammoth Magazine, Winter/Spring 2017
Feed the Mammoth Magazine, Summer 2017