@jackstack My 4y and 20m go for sleepovers at the grandparents about once every 6w. The kids and grandparents both love it. Started when my oldest was almost 2y.
@ellyflowers Many n worry with Crocs is that they're easy to trip in. As suggested elsewhere higher up maybe try Keane closed toe sandals. Sandals so not too hot, but closed to to avoid stubbing toes or getting sandals caught