It was there any guidance that had to demand the merchants download (ok). However, there the circuits are shown simply, the child needs to rebuild - and does not understand what it is doing. I would have liked that the child is learning a little bit about electronics and can build their own circuits. The material is borderline cheap, has fabricated as my child a short circuit, is burned through the cable in one of the two battery cases and has a black spot on his pants left (3 volts!). Overall, a fairly cheap China product that your money is not worth it in my view.
