The Gray Matter Sodality Black Friday Deal: Save 50% ($10) off your first month!

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A monthly, story-driven puzzle subscription.

When Albert Einstein died his brain studied and dissected, and shipped all over in an attempt to better understand the source of his genius (true story). Through unique, physical puzzles we tell a fictional story of The Gray Matter Sodality (GMS), an organization seeking to reclaim and unify those brain fragments. Join GMS today!

The Gray Matter Sodality Black Friday 2018 Deal

Save 50% ($10) off your first month of membership! Offer subject to availability. Offer cannot be combined with other offers and cannot be applied to previous purchases. Offer can only be used once and once per household. Offer cannot be applied to gift cards.

See our The Gray Matter Sodality Reviews to find out more!

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