https://home.woot.com/offers/rubiks-cube-the-official-4x4-classic-color?ref=w_ngh_mc_itm_is_1_tl Rubik's Cube, The Official 4x4 Classic Color for $6.99. Shipping is free for Amazon Prime Members (must log in with your Amazon account and select a shipping address for Woot to apply free shipping) or is otherwise $6 per order.