Marc, Book and Brian analyze four big claims: an electric car that uses a wall outlet; a product that helps prevent concussions; a saw that cuts exact holes for electrical outlets; a phone case that allows for instant printing of pictures.

Brook & Brian help Marc check out four big claims; a 3D printing device; laser engrave and mill; a trash can that scans items to create a grocery list; an electronic coating that protects your device from getting wet.