Dutchie's riddle

Instructions 

 

In this riddle there are 10 easy teaching levels followed by 30 real levels.

It's all basic riddle stuff. Sometimes you will have to Google to find the answer. 
 

You can always ask for hints if you get stuck. 
Give big hints in the comments, but don't spoil answers.

 

To start the riddle, click here:

 

 

Credits:

Thanks to clio_rose for checking vids.

Big thanks to Ellie and Edgar for beta-testing the riddle and giving advice. Learned a lot from you guys!

Special thanks to small-tool; without his help in so many ways and encouraging words, I wouldn't have been able to make this riddle. Thanks for being such a patient teacher :P