P4280240.JPGThe problem is:To drop a marble from 2 feet off the ground ,through a tubalar thing with 2 obsticles to slow it down.

Ideas

Idea
How to make it move/ guide it
Use a pathway
Use tubes
Idea
How to slow it down
Use a funnel
flap from cardboard
Idea
How to support the pathway
Use a knex tower to support

glabber_1.jpeg