what if you could build a amusement park ride on the playground. what would it be why?

if i build an amusement park on the playground it would be a rollercoaster. the name would be the fast shay it would be the cooliest rollercoaster in the park. i would build a rollercoaster because their fun and exciting. also because i like to ride rollercoaster cuz you scream and you have while you riding. in conclusion mostly everybody in the world loves rollercoasters!