Available in Fairy, Sports and Dino varieties, this battery-operated sippy cup features multicolor LEDs that light up when a child sips and then go off after approximately 20 seconds. They can also be manually turned on and off with the press of a button. The cups are free of BPA and come with batteries. The lid and cup can be washed in the dishwasher (remove base first). This product received 5 out of 5 stars from What the Stuff Toy Review.