DIY Edible Crayons
Chalk Line: Low tech method for marking straight lines very, very well!
Machinist Vise: Strong "hands" to secure your work.
Nail Set: For countersinking nailheads while protecting the surrounding surface. Popular Mechanics recommends getting a set of four: 1/32-, 1/16-, 3/32- and 1/8-inch.
Dust Mask: Protect your lungs! Use a P100 rating to remove lead dust.
Tape Rule: Measure twice, cut once.
Pipe Wrench: Perfect for pipes, moreover nothing else will do.
Sledge Hammer: Brute force combined with finesse. 8 -10lb is easier to swing than the heavier models!