You have made a spectrometer.
Go outside and look through the CD end.
What do you see? Do you recognise the pattern or colours? You should be able to see a rainbow.
Try looking at different types of light and different light sources: desk lamps, fluorescent tubes, TVs, mobile phone torches.
Can you spot any differences in the patterns that you can see? Why do you think this is? What might be different about the light sources that you are looking at?
Where you surprised by any of the distances between planets? Your model may represent the distance, but do you think your planets are the correct size in comparison to each other? Watch this video to see the comparative size of the planets and the sun.