Get a flashing martini so you can be couth. To make it quite dry add a whiff of vermouth. I once drank too many and couldn’t respond. Drink them shaken not stirred, just like James Bond. If you have lots of friends then get some for them. Our flashing drink cups with the long spiral stem. Note: Some Assembly is Required to prevent breakage during shipping. Light Up Glass has a “Still” setting which allows you to view only one color continuously with up to 7 different colors to choose from. Glass also has “Rainbow” setting (shown) which quickly cycles through each of the colors. Dimensions: Height: 6.95 in. , 17.63 cm. Width: 4.1 in. , 10.41 cm. Volume: 8 oz. LED Colors: 1 Blue, 1 Jade, 1 Red Batteries: Includes 3 Replaceable AG13 Batteries. NOTE: Replacing batteries requires use of small Phillips screwdriver. Replacement requires some effort.