Hollow skull dice

Dice material: high quality zinc alloy
Number of dice: 1 set of 7 dice are: 1 number on four sides, 1 number on six sides (1-6),
Eight-sided numbers 1 (1-8), ten-sided numbers 2 (0-9 and 00-90), twelve-sided
Number 1 (1-12), twenty-faced numbers (1-20)
Product usage: board games, children practice mental arithmetic math, collection, gifts, birthday gifts, gifts
Gifts, sweepstakes, display, etc.