Therere 6 styles in our Sea Series Rotocast Clock:urchin, crab, cuttlefish, shark, shrimp, jellyfish. And each style has 4 different lines that with different feature & function: 1. Color line Colorful rotocast material with color dial or stand dial 2. Color line with alarm Colorful rotocast clock with alarm 3. Shiny line 7-color light for 30 seconds controlling by sound 4. Shiny line with alarm sound-controlled light; with function of alarm