Much better is the Chicco starry sky projector. Although he has no settings for different projections, but due to the lower volume it is much better for the real purpose: to fall asleep.
And quite honestly simple star rich also to look at and so many times we have the projection of this device does not also changed.
From the starry sky projector both our children are excited and here even the little ones can it myself pressing the Anschalter.
In terms of robustness and durability are both perfectly fine.
Conclusion:
No buy recommendation for the rainbow projector, but for the reasons above rather resort to simpler Chicco starry sky projector from the same house!