That is such a good idea! Do people sell these as an actual product?
Yes. Most (even cheap-ish) greenhouse kits come with them, at least the ones I've seen around here.
The music is hilarious!
Thus moved solar-thruster
It was so refreshing to see a video with a clear and direct title. In 2026 this would have been "We cracked open a motor. You won't believe what we found inside! <emoji>". Checking the channel, it seems they have succumbed to this for their latest videos.