Please choose the correct solution to the question: What do you use to make rocket powered Matchbox cars?

Solution1: You will need an Estes A10-PT model rocket engine and something to tie the engine to the Matchbox car, and of course a matchbox car.

Solution2: You will need a rocket engine to attach to the car, a car, and something to hold it all together such as string or wire.

Answer format: solution1/solution2
Answer: solution1