3D Geogebra Challenges before my vacation

These three Geogebra  files in 3D  were made with the 4.25version of GeoGebra .(Yes, Yes!)

Try doing the same with Geogebra5.

So good holidays to you too?

 

https://www.youtube.com/watch?v=E8VyssX_oGU

  

https://www.youtube.com/watch?v=fQmuEgP0YMM

  

https://www.youtube.com/watch?v=TgqchR0LYTk

Galton Board (Geogebra4.25 in html5)

 

Click on picture to launch the ggb applet

or

follow this link

http://dmentrard.free.fr/GEOGEBRA/Maths/export4.25/Galton.html

Bwt: You can open this link directly in Geogebra

Path on unfolded/folded cube(Geogebra4.25 in html5)

Click on picture to launch the ggb applet

or

follow this link

http://dmentrard.free.fr/GEOGEBRA/Maths/export4.25/Trajcube.html

Bwt: You can open this link directly in Geogebra