10 Piece Rainbow Dice sets include one each of D4, D8, D10, D12, D20 and D10, plus four d6. verybody loves a rainbow! And Koplow Games' new Rainbow Polyhedral Dice capture the color and fun of these rainy-day phenomenon. Each face of these white polyhedral dice is numbered in a different color, iving the dice a cheerful, sunny disposition perfect for rainy day gaming! Rainbow Polyhedral dice are made from sturdy plastic, and are packaged in a handy re-useable plastic tube for easy display and storage.