Six Related Puzzles

Six related puzzles; not too easy, not too hard; designed as a pleasant exercise that gets easier as one solves successive puzzles. The target is a square box made from 25 small squares. It is to be filled by 5 tetrominos and a single pentomino chosen from a set of five. The five puzzles so created all tile the same box. It is an exercise to adjust the set of tetrominos to accommodate each pentomino in turns.

The set of 5 pentominos also tiles the box. OpenSCAD code that constructs the box is included The code also makes a 3x7 tetromio storage box.