this is sko 

so sko is Skeleton What distinguishes it is that it is easy to use and programming, and it is for all ages, especially young people because it teaches them to program in a fun way where you can program it in the way you want or by using otto codes
And you can put more than one type of sensors

If you encounter any problems, you can contact me on Instagram https://www.instagram.com/abdallahballool/?hl=en

or here https://www.instagram.com/3d_printing_thing_s/?hl=en

you can go here to upload otto codes https://wikifactory.com/+OttoDIY/otto-diy

and here otto library https://github.com/OttoDIY/OttoDIYLib