EXPERIMENT : Big Deep Hole And Different Things

In this video we have collected many different experiments, with helicopter, slime, underground, underwater and other.
Please like and share this video!)

Don't try this at home, we're just doing this for education to show what happends.
This channel is scientific and educational and we are professionals in our field with special education.

For cooperation, write to ByDiyCompany@gmail.com

#UnderGround

Видео EXPERIMENT : Big Deep Hole And Different Things канала ByDiy