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

[A]: can tighten a nut easily

[Q]: Which of the following solutions is better for the following goal:
To make the folds easier in an Origami Magic Ball Lamp.

[A]: Use a ruler to trace out the fold lines.

[Q]: Which of the following solutions is better for the following goal:
Create hamster tunnels.

[A]: Put toilet paper tubes in hamster cage.

[Q]: Which of the following solutions is better for the following goal:
How to make DIY sandbox.

[A]:
Buy a small plastic kids swimming pool and pour sand half way full.