Families in Lincolnshire - where childhood obesity is above the national average - will be offered ten-week courses to tackle the problem.
East Lindsey District Council will hold fitness and healthy eating lessons.
A report published earlier this month showed more than a quarter of children in Lincolnshire aged between 4 and 5, are now classed as overweight or obese.
The problem is also slightly more prevalent in boys than girls.
More top news
Nottingham Forest fans are angry that a takeover deal has fallen through after weeks of talks.
It will be staying mostly dry but very cold for the evening.
Dry with clear spells overnight. Frost and fog patches likely.