Filled with dinosaurs with 〜だらけ
Grammar Explanation: Covered in with 〜だらけ

Kotoha, Yui, and Sacchan enter another exhibit room in the museum.
- ○:
- 「恐竜だらけだーー!」
- “It's full of dinosaurs!”
Key Points
〜だらけ means full of something noticeable
恐竜
( だらけ says dinosaurs are everywhere in the exhibit room.The pattern often highlights an overwhelming or striking amount.
The noun comes directly before だらけ
No particle is needed between 恐竜
( and だらけ.The result is a compact exclamation: “Dinosaur-filled!”