[Q]: Which of the following solutions is better for the following goal:
building

[A]: can be dropped on elephants to squish them

[Q]: Which of the following solutions is better for the following goal:
How to make an oreo pie crust.

[A]: Take a cup of oreos and mix in two tablespoons of butter at a time until you can mold the mixture to the pan. Gently press the mixture around a pie pan ensuring that you get it on the bottom and up the sides of the pan.

[Q]: Which of the following solutions is better for the following goal:
How to drill holes into your bike gear?

[A]: Take your bike gear pieces and drill a hole into both sides of the piece. Chisel down the edges.

[Q]: Which of the following solutions is better for the following goal:
How can I poke the hole in a cardboard pinhole camera?

[A]:
Anything thin and sharp will work. For example, you can use a center punch and hammer, a drill with a small bit, or a sewing needle.