Our Thanksgiving Weekend Sale Written by admin · Leave a Comment It’s our Thanksgiving Weekend Sale! use checkout coupon code TURKEY to save 10% storewide at Evil Mad Scientist. Save on popular items like the brand new AxiDraw MiniKit, surface-mount 555SE and 741SE soldering kits, and everything else too. Our biggest sale of the year, it’s a great time to get that AxiDraw SE/A3, EggBot, or through hole 555 kit too. Sale runs through Monday, December 2.