Can you say your name backwards?
Can you do a ballet spin?
Can you bark like a dog?
Can you tell a funny joke?
Can you wiggle your ears?
Can you stand in one foot for 10 seconds?
...
Can you flip a coin?
can you whistle?
Can you "meaow" like a cat?
Can you say "I scream, you scream, we all scream for ice cream" fast?
Can you tell a poem?
Can you sing in English?
Can you say fast: "Elevent benevolant elephants" 3 times?
Can you say "Thank you" in 4 languages?
Can you touch your nose with your tongue?
Can you do the splits?
Can you snap your fingers?