This is a list sent to me by Deepti at DKGems when I posed a similar question re kids' activities on a Facebook forum.
Kidszone indoor play area Bird park Sunset cruise - aquamania Pinel Horse riding - sea side nature park Puerto Cupecoy - restaurants with big courtyard. Movie theater game room Pineapple Pete’s game room Rainbow - any grandcase beach is a great beach for kids Lotterie farm Sandbar restaurant with small play area Coffee lounge if they are older So Benedict’s great crepes Reveil matin great crepes Simba French side play area for kids And new ice cream spot in town Luciano