We have multiple sets of these in our house, they hold so many toys, make it easy to separate things and the tops of them serve as a play space for her
TROFAST Toy Storage & Organization Solutions
Ottomans and benches make great concealable storage, my mom keeps all my daughters stuffed animals in her ottoman and you’d never know!
32" Folding Double Storage Bench Green - Room Essentials™
If you want to go old school lol this is what my toys were stored in when I was younger - this and a plastic little tikes bench
Plastic Kids' Storage Bin with Woven Handles Pink - Pillowfort™: Jumbo Round Toy Bucket, 20% Recycled Material
We’re not at Lego age yet over here, but I mean this is such a good idea
Creative QT SlideAway Toy Storage Organizer & Play Mat for Kids - Organizer Storage Bin for Toys - Kids Toy Box - Grey
One of many types of stuffed animal storage we have throughout our house
Lilly's Love Stuffed Animal Net Hammock, Jumbo Extra Large Corner Hanging Toy Storage Organizer, White, 2 Pack