Objective: Purchase your first screwdriver.

Which of the following solutions is more sound in terms of naive physics reasoning?

pick from the following.
+ Go to the store and look at the screwdrivers. Purchase a flat head and a alan key screwdriver. That way you have all the tips you might need in one tool.;
+ Go to the store and look at the screwdrivers. Purchase a multi tool screwdriver. That way you have all the tips you might need in one tool.;
Go to the store and look at the screwdrivers. Purchase a multi tool screwdriver. That way you have all the tips you might need in one tool.