Dreamsworks Home Color Changing Figure (Grumpy Oh- Bougon Oh) 1 color changing Grumpy Oh/Bougon Oh figure. Figure will change color when exposed to heat. Dip product in warm or cold water to see a significant color change. Touch with your warm hand for a gradual change. For best performance of color changing feature, use icy water under 50F/10C. Protect play surfaces before use. Drain, rinse, clean and dry all items thoroughly before storing