Hobbykingmall via Amazon offers the QuadPro 12-Sided Fidget Dice Cube for $15.98. Coupon code "QuadPro4" drops it to $11.98. Plus, Prime members bag free shipping. That's $4 off and the lowest price we could find. It features a rotating disk, keypad, silicone ball, switch, rocker, silicone rope, and more. It measures 2" x 2" x 2". Deal ends June 1.