What do you need to grow a flower? I need a seed.
What do you need to play football? We need a ball.
What do you need to learn about computers? I need a computer magazine.
What do you need to go to the rainforest? We need a rope ladder.
What do you need to send a letter? We need a stamp.
What do you need to take a photo? We need a camera.
What do we need to climb down the cliff? We need a rope ladder.
What do we need to design a space shuttle. We need a computer.
What do we need to make some pancakes? We need a frying pan.
What do we need to get a taiga? We need a plane, to get a taiga.
What do we need to go to the Moon? We need a spaceship to get the Moon.