54321+10(r) Count Down To Your Health Activity Book is an entertaining way for kids to combine learning with fun while exploring the meaning of each of the count down number themes: Eat 5 fruits and vegetables Drink 4 glasses of water Have 3 good laughs with friends Get 2 hours or less of screen time Get at least 1 hour of physical activity Get 10 or more hours of sleep Live 54321+10 is a recommendation for reasonable and achievable lifestyle choices, based on expert advice that kids can make each day to stay healthy. The six themes, represented by each of the numbers in the title, remind kids of simple habits to guide them to better health.