Pond Friends Stacking Toy - Free Crochet Pattern - (lion brand) Awesome gift for next baby shower!
Ok, so it's not technically a playspace, but the Cella cube puzzle by Naef can be used to create your own play spaces. I remember playing with one as a child - LOVE them!
Wooden toys for "Wish Flover" by Max Flint
I love dreaming up toilet roll crafts and activities! and this Toilet Roll City is the perfect make and play craft, with limitless stacking toy possibilities.