The development environment is available for PC and Mac for downloading, is very simple and brings all common Shields already finished with frameworks.
A halfway decent school English is sufficient to understand the instruction book. There are in some cardboard and pieces of wood, the so serve as a support plate and Deco for one or the other as described in the book Einsteigs experiment. Everything is described with great attention to detail and prepared. The course has its price.
Only a single hole in the board did not sit there with me, where you could screw the Board. Negligible. For a board that weighs a few grams, I find three screws already longer sufficient.
Conclusion: For someone who "outgrow" straight from the good old cosmos-boxes, and each has been "programmed" only excel formulas, then this kit my discretion represent a worthy continuation.