Solar powered magnetic wheel with coil, electronic circuit and one piece of Ni-Mh AA accumulator Скачать
Mramorová koule jako fontána v Dobrušce (+ lidi), Marble sphere as fountain in Dobruška (+ people) Скачать
Solar Glow-worm (Firefly) Sitter, Pummer - on the day light (accumulating of energy) Part 1/2 Скачать
