Winfun Monkey Activity Roller Mackenzie Shirilla's Parents, Steve & NatalieJob, Net Worth. Brighten your babys days with the WINFUN NAUGHTY MONITOR ACTIVITY ROLLER. Roll the roller and press the monkey to activate fun sounds, melodies and flashing lights. Roll the ball on the top of the roller to see and teach your little one different colors and animals. Pull up on the leaf to reveal surprise bananas. This baby toy develops curiosity, gross motor skills and emotions. Accompany each stage of growth and development of your baby with Winfun toys. Buy it already! Age: 6 Months+.