Question: How long does it take to print a figure?
Answers: Whistles -- 18 minutes; Dice (different sided) -- 30 to 35 minutes; 2X2 inch figure -- about 2 hrs.
Question: How much does filament cost per year?
Answers: estimated $100 -$150/year for year depending on what is printed; 3 spools of filament per year; bought 4 spools last year (48 apiece) and didn't even use half of it
I would be happy with any 3D printer I can get, as long as customer service and technical support are good. However, safety comes first!
Here's another video that shows the educational value of 3D printing for all age levels.