[4] The museum's founders say that their collection of Ica stones offer proof that humans and dinosaurs coexisted,[5] that out-of-place artifacts constitute "damaging evidences [sic] against evolution",[6] and they can show with other evidence the Earth is 6,000 years old and it was physically possible for Noah to bring dinosaurs on board the Ark.

[3][7] Fundraising documents published by the founders cite the Creation Museum in Kentucky as establishing the viability of a similar concern in Idaho.

[8] The museum's collection includes petrified wood, fossil dinosaur eggs, the Ica stones mentioned above and a replica of the "Lone Star" mastodon skull.

[10] The Raw Story called Northwest Science Museum's Ica stones "fraudulent" and "a favorite artifact of many conspiracy theorists".

[2] A Salon.com editorial called it "beyond frustrating [n]ot just because of the pseudo-science dribbling out, but the fact that young children are being fed nonsense under the guise of 'true science'".