No space for a jungle gym? You don't need much space for a playhive. Originally designed by thoughtbarn.
本棚、階段、滑り台が融合した家 (via A Library Slide by Moon Hoon | Colossal)
wow. look at that play tree. via dwell.com mikiko endo
Three types of cardboard units, railways, blackboard, and tunnels, are spread around the site, like building blocks. A train runs along the rails on the floor and suddenly climbs up a wall, and eventually fades into the mountain far away. Blackboards can be drawn from every angle.
"Korogaru" Park in Nature YCAM InterLab+Jun Igarashi