for my little that's the hit Everything works - the solar cell powers the fan - completely silent. From three batery laser and lamp to run are placed - just like in the boxes, the red and blue light source. That with the crystal is achieved spitzenmäßig - holds and easy to change. Much accessories which makes playing fun. The only drawback - the hinges from the gripper arm, solar panel, etc. are quite stiff - I had only once with tongs to persuade "ease" - now it sparks but properly. Plenty to play and lots of accessories there to our 4-year-old is excited and even Mama is always playing with dabei.- we own the complete set at - and it's worth every penny.
