My son Callan turned 5 a week ago.
He's had a little bike with stabilisers (what are they called in the States?) for a year or more.
A while ago I tried to get him to ride without them but it didn't go to well.
Last week I took the pedals off his bike as well as the stabilisers and told him to try it out as if it was a kind of a scooter that you sit on. He had a few practice sessions like that and seemed to have gotten the hang of steering without the stabilisers.
So this evening I put the pedals back on and we went round to the school car park. Nice big area of flat tarmac and nobody about.
Well, one push and he was away, pedalling about easy as anything. I was well pleased. Now as a reward I'll get him a decent bike with a freewheel, decent brakes and (maybe) a few gears.