Gemini 16mm d6 Blue-Blue/Light Blue Luminary Block 12Each set contains 12 Gemini Blue Blue 16mm d6 dice with light blue pips (DG1663) in 02805 Display Case w Lid and Foam Square This color has our Luminary effect. It can look like stars in the dark (with enough light exposure beforehand or under a black light). Effects: Luminary Effect Style: Gemini 2nd Style: Luminary Packaged Format: Block Size: 16mm d6 w pips Color: Blue Package Dimensions: 3. 81 x 3. 81 x 7 cm