design: wooden rollers

[Mario]

G'day folks,

I am looking for any design/advice/input you might have in building a small (for the weee riders in 'take-a-kid-mtb-day) wooden roller.

Thanks in advance,

Mario
Ottawa
event day: Sep 25th

[Tweener]

How did the event go? If you still need tips for future events I might be able to help.