7 Scientific Gadgets 🔥🔥Giveaway🔥🔥

In this video we are going to do giveaway 7 scientific gadgets.
1. Gyroscope giveaway
2. Plasma Globe giveaway
3. Homemade concave and convex lens using slab giveaway.
4. Slinky giveaway.
5. Stirling engine giveaway
6. Crazy car giveaway
7. Lazy readers goggle giveaway
8. Radiometer giveaway
To participate in this giveaway must subscribe and like this video and don't forget to comment below.
We will announce winners in our next videos.
Music used in this video:
https://www.youtube.com/watch?v=K4DyBUG242c
https://www.youtube.com/watch?v=PXf4rkguwDI
https://www.youtube.com/watch?v=QglaLzo_aPk

Видео 7 Scientific Gadgets 🔥🔥Giveaway🔥🔥 канала Hacker Om