Found in a Malmö junkshop.
"Popular Portable Puzzles Proving Positively Perplexing and Perpetually Pleasing Posers Presenting Persistently Provoking Problems Proving Profuse Pleasure, and Producing a Palliative or Placid Panacea to People Possessing a Propensity for Persistence, Patience, Perspicacity and Painstaking Propensities."
Features on the back of each of the games below.