Do you need more material for handicrafts and experiment or a class set for the school, then this set is the first choice for you. Save thanks to the larger acceptance quantity 10% and benefit from the most high quality at fair prices. Technology: The solar cell SM 330 L contributes 0.5 V and provides generous 330mA (max). Of course you can get only crystalline solar cell material with a high degree of efficiency, which is on a stable base plate cast. A break-up of the cells is therefore excluded. The solar cell SM 330 L has 2 solder pads on which the solar motor directly soldered. An illustrated soldering instructions attached to the set and makes the soldering is thus very easy. With the proven solar motor RF300 is your model easily in motion. Solar motor and solar cell thus form an optimal combination for best functionality. The Propeller with 9.5 cm supplements the set perfectly.Tip from the solar professor:Required lighting conditions: a was anticipated in dark or badly-lit areas