At this size, what you need is a lightweight bike made with an aluminum frame, all the fun and no fuss : the all-terrain 16" tires roll smooth, the simple single-speed keeps it durable. Ready to go blast around the local neighborhood.
The HandCuff allows you to lock your bikes to the RidgeBack and SwingDaddy. Comes with an additional SKS Lock Core to match the lock on your SpeedKnob.