Here are some spoilers if anyone is stuck on the first few puzzles:
1.) Mom = Take wine and put it on the table in front of her
2.) Dad = Use ladder to get into the attic upstairs, take the screwdriver, drop the screwdriver downstairs, use the ladder outside to get to the satellite dish, use the screwdriver on the dish
3.) Brother = Take the remote control car, get the brother to follow you into the basement, use the car to lead the brother over to the box of detergent on the other side of the furnace and back again, put the detergent in the washer, take his dirty pajamas and put them in the washer, put the washed pajamas in the dryer, give the brother the comic book and while he is reading it put the pajamas on him
4.) Kittens = Take the lamp into the attic set it down and turn it on, get the ball of yarn, put the yarn in the kitten bed, lead the kittens to the bed
I'm stuck on the lawnmower.