Do the road with magnetic paint and add magnets to the cars. Playroom or little boy's room. I think the better idea would be to place this on the floor rather than teaching kids to drive cars on the walls.
This everyday sippy cup has a brilliant secret: a hidden medicine dispenser inside! When your child requires medication, just fill it as needed, snap it in place, and let your child's favorite beverage mask the taste. gotta have these when I have kids!
Oh, this is a life saving idea! Sippy cups won't hit the floor. A strap attached with a suction cup under the table. I wish I had thought of this when my son was in a high chair. He was a Sippy Cup Tossing Olympic hopeful.