[Q]: Which of the following solutions is better for the following goal:
Surprise your young guests at a birthday party with special gifts that are fun to open.

[A]: Take a dozen balloons or as many as you have guests, and before blowing up the balloon, push a chocolate bar or other treat into the opening and then blow up and tie off the balloon. The guests will have a lot of fun popping their balloon and finding their special treat.

[Q]: Which of the following solutions is better for the following goal:
To aid in the donuts sticking together for the donut cake

[A]: Add frosting in between each layer of the sliced donuts using frosting tool

[Q]: Which of the following solutions is better for the following goal:
How to lock a bathroom door.

[A]: Close the door. Find the locking mechanism like a knob or lever, and twist it either clockwise or counter-clockwise until the lock is engaged. Try to open the door to see if it's properly locked.

[Q]: Which of the following solutions is better for the following goal:
To rough out the interior of a wooden bowl.

[A]:
Use a mallet and a gouge.