This is a die with 12 sides, numbered from 0 to 9 with a comma and a minus sign.
Very useful for solving math exams.
Roll digits until you get a comma, then keep rolling digits until you hit the comma again, and that's your random number with a comma. Whenever you hit the minus sign the sign of your number is inverted.
An adaptable figurine stand that allows pretty much any figurine with holes in the feet to be placed on it. Useful for posing figurine prototypes, to save on the production of stands for your prototypes.