Oskar's Magic Box is a nice beginner puzzle, invented in 1983. The object is to put the six pieces together and form a box. The puzzle has the doubtful honor to be Oskar's first design that got knocked off. The knock-off was produced by Robert Dalloz and sold by Arjeu in the 1980's.
Watch the
YouTube video.
Read at the
Shapeways Forum.
Read more at the
Non-Twisty Puzzles Forum.
Please order a 3D-printed do-it-yourself puzzle kit from Shapeways at this page (check with Oskar about screws and stickers), or
contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.