You'll have to re-inflate them using some kind of hose
(
Marxist Pig Better Red Than Smeg,
Sat 11 Oct 2014, 10:50,
archived)
those are not actually hedgehogs, rather mousepads
(
PedroHin Come along & ride on a Flantastic Voyage,
Sat 11 Oct 2014, 10:56,
archived)