Impact! Miniatures Rainbow - 14 Unusual Dice Set Approved for Use with Dungeon Crawl Classics 14 dice set. Includes the following dice D3, D4, D5, D6, D7, D8, D10, D%10, D12, D14, D16, D20, D24 and D30 All dice are between 0.75 and 1.25 inch in diameter. All dice were chi squared tested for rolling equal probabilities. Rainbow set colors of the dice may vary from image but no color will be repeated more than twice in the set. The D3 is a D6 with Roman Numerals I, II, and III on it twice and the D4 shows the numbers on the top like a normal die. The D7 is a special design with an odd number of sides so the numbers are engraved on the edges to show on top when rolled.