I got three to get you thinking

What weighs more 1kg of feathers or 1kg of bricks???

You are driving a bus Four people get on three people get off then eight people get on and ten people get off then 6 people get on and 2 more people get off What color were the bus driver's eyes?

What does the sentence 'The quick brown fox jumps over the lazy dog' have that no other sentence has?