Dice Stacks are custom hub-stack yo-yo accessories designed by Chris Rice. They are compatible with all YoyoFactory hub-stack yo-yos.
Dice Stacks, also known as ‘RiceStacks’, are a fun alternative to normal hub-stacks. Simply remove the original hub-stacks and replace with the Dice Stack of your choice yo give your yo-yo a cool new look!
https://shop.yoyoexpert.com/products/dice-stacks-by-chris-rice