From the Dr. Seuss Collection. The Grinch Sing Your Heart Out! Game. This is an interactive game that will get all the family playing. The mission is to sing as long and as loud as you can in order to prevent the Grinch from stealing the Whos' gifts. When you sing, an Electronic Singing Detector will hear you and bring the Grinch's sleigh full of stolen gifts all the way down. Includes Mt. Crumpit mountain with slide and tree, Electronic singing detector, sleigh, 12 gifts, 27 Who Tiles, 36 Song Cards. Recommended for ages 5 and up. Based on the best-selling How the Grinch Stole Christmas book from the Dr. Seuss collection.