Bresser optik experiment set bresser 8859490 p if an extensive experimenting set is what you are looking for then the bresser optik experiment set has all the accessories a young enthusiast needs to explore via their new microscope br br featuring a number of excellent pieces of kit such as the 2x magnifying glass and four tank breeding chamber while there is plenty to choose from when performing those experiments including specimens of a honey bee yeast and sea salt suitable for ei