Yes, at other parks it's different, but there are way more rides without height restrictions than with them at MK
Winnie the Pooh
Peter Pan
Small World
Magic Carpets
Dumbo
Buzz Lightyear
Carousel
Tea Cups
Little Mermaid
Jungle Cruise
Astro Orbitor
At AK we mainly look at the different animal exhibits, see shows, the parade
Safari
Triceratop Spin
Train to Rafiki's Planet watch
At Epcot we mainly look at the interactive exibits.
Finding Nemo
Living with the Land
Journey into Imagination with Figment
Spaceship earth I think
At Hollywood Studios we mainly see shows (Disney Junior, Little Mermaid, Beauty and the Beast, Muppet Vision 3D) and meet characters. There are other shows though.
they love to ride Toy Story Mania
Since you're going when it is warm, bring extra clothes and maybe a towel to MK and Epcot. Both parks have splash pads and my children love them.