Warning: this post is picture-heavy!
Start with a box.
Get Quality Assurance to approve it
Open the box (fluffy slippers optional)
Unpack all the parts and count/check
Start putting it all together, base circle first
Then clip in the side pieces
Under the watchful eyes of the end users, of course
Clip all the parts together
It's actually hard work, disrobe as you go. (Note tablet playing in foreground so that you can follow along with the video.)
And the last part doesn't fit. Attempt to remove some parts to try again, and...
Fortunately, not only is this company producing a great product, they match it with exemplary customer service. When I emailed them, they replied in very short order, offered to send me free replacement parts, and even sent me a troubleshooting video where the designer himself showed how it's done (including breaking the same part! LOL)
Can't wait to get this up and running!