12yo girl with chores and 7yo boy who want to help out and play board games

I have a 12yo girl and 7yo boy that need assistance with day time care while school is out for the holidays. Helping prep meals and being a bouncer is key with these two. For the most part they’re well behaved with manners. The 12yo job is to take care of our tiny weenier dog. He’s friendly and will probably try to cuddle

My schedule starts at 7am and goes til around 4:30pm. Tuesday-Friday. I’d need a sitter here at 6:30 but sleeping on the couch until they wake up is ok