The neighbors got roller blades for christmas.  Not wanting to fall behind the neighbors we got some wheels for our kids too.  Harriet, not the most steady child, wasn't going to have a great relationship with fast flying roller blades.  I found some strap on plastic pick skates that have a lot or resistance on the wheels.  Her shoes barely fit in them but they do work.  Here she is on her first outside skate late one night last month.  Since then she's been to the roller rink twice and done really well.  She's probably about ready for those roller blades already!!