Magical Star cocktail as served at The Wave/Contemporary Resort-the Magical Star cocktail is the glowing drink on the right. By the way, you can take the cube out and change the setting to make it glow just one color, or changing colors. And you can turn it off, too...save it for another day,
Magical Star Cocktail as served at Kona Café/Polynesian Resort (taken from my May 2010 dining review), The flash was too bright to see the glow-cube in action in this picture, but you can see how they serve it at Kona -- same flavor, just different presentation:
Left to right, thats mine on the left: A Magical Star Cocktail - described in the menus as Light up your celebration with X-Fusion Organic Mango and Passion Fruit Liqueur, Parrot Bay Coconut Rum, Pineapple Juice, and a souvenir Multicolored Glow Cube $10.99 This is one of my favorite Disney cocktails - exceptionally yummy on a hot day, and I enjoy adding to my glow-cube collection

That's a martini in the middle: for $9.25, it was Godiva Chocolate Martini, a mixture of Stoli Vanil Vodka, Godiva Chocolate Liqueur, and Frangelico
it was strong, but delicious. The one on the right is the least expensive, at $7.25, it's called the Island Sunset, which was A delicious blend of spiced rum, coconut rum, melon, and peach combined with our guava passion fruit juice.
And heres a picture that shows the glowing going on (its fuzzy, but you can see the glow effect)