Rockets are useless toys made by humans. They go up, not across, so you can't chase them.
Photo by Steve Jurvetson
Rafters are like branches of a tree, but indoors. They are fun to climb up but there's always the risk of getting stuck.
Photo by strikeael
And where better to relax than in a sink?
Photo by aprillynn77
Cats have a magnetic attraction to warm places.
Photo by boojum
Like a shadow, but with more colours. Photo by nromagna
Humans like these. They are prickly and taste bad. Photo by Jlz