6th birthday

Dude

GUYS, i have no clue what to get for my soon to be 6 year old. she likes tablets but also paw patrol and ninja turtles and batman and anything boy like lol she just recently has shown interest in like doll houses, there's a batman tower she want but price limits and stuff. she stated that she is open to starting to play with barbies but i don't want to buy her something that she will just forget about in 2 days lol. any suggestions!! please.

p.s her father just says no to everything or complains about the price. lol useless