hi I love my boys to bits ones 4 and ones 7 the only thing is the 7 year old is moving into juniors and gives me a lot of back chat and helps him self in the cupboards, and the 4 years old climbs, opens tins of paint get hold of things he shouldn't and opens the bedroom windows the 4 year old is very over active so he keeps me on my toes, I have tried reward charts and taking toys off them any other advice please??