MONSTRUM designs and produces unique playgrounds with a focus on artistic and architectural quality, and they definitely think outside the box.
My kids would absolutely love one of these and all it takes is bunch of old bike rims, a packet of cable ties, some hard work and a few creeping plants. Here's a gallery showing how you can change the future by upcycling some of those ‘disposable’ bikes http://theownerbuildernetwork.co/8xlo Have you got an old bike that could do with a new life?
geodesic dome pool / Domos Geodesicos y sus Nudos colección Ariatnis
Domo detalle 01
woven willow bird hide (willow sculpture) and concrete circular slabs as a path over a pond surrounded by Chamaemelum nobile (chamomile lawn), Eryngium giganteum, Eremurus himalaicus
This would be awesome out in the yard
Sphère en carton - acoustique
Decay of a Dome Exhibit (Installation in Venice), 2010, Venice, Italy, by 2012 Pritzker winner Wang Shu
Blueprint, Buckminster Fuller geodesic dome patent drawing, 1965.