[Stormsasuke]

I have a few that can be interesting.
1. Puzzles and Landforms
The riders would have to travel the world to different landforms and solve a
puzzle in order to get access to the powers of the landform. The main rider can
a Rubik's cube mountain rider.
2. School and vegetables
Two things children hate combined to save the world.
3. Ninjas and fish
Underwater ninjas can be cool. Final villain can be a shark rider.
4. Bacteria and eating utensils
Random but it can work.
5. Animals and transportation
Eagle planes...
6. Medieval and writing utensils
Knights fighting over the best writing utensil. Pen vs pencil
7. Movies and war
They enter movies and must fight in a war