Slide puzzles with unit pieces making unit moves on small boards can't be too difficult, can they? At least the first few are fairly easy. . .

Can you use your puzzle-solving skills to maneuver the red pieces into the marked bottom corners? Here are 40 original challenges to help you find out! Just move each piece to (and from) a position next to another. The ability to move is passed from the moved piece to any in the connected group it contacts.