Maybe a bit easy to be a level made by you but was FUN & I liked the box-design...Thanks for sharing @Ahmed sa
You say no tricks are required but in fact this level requires one trick - low ceiling effect. You should have specified that as it had me thinking quite a long time for a logical continuation where there was none. All in all, the concept is nice. I liked how the top lid opens together as well.
@Ahmed sa I guess you don't tell the truth about tricks as I'm pretty sure B needs to do low ceiling. The level had a lot of stuff that cluttered it up took away from the level.
@Meko Guy @I_am_Bot I am sorry i didn't know low ceiling effect a trick . i am working to make levels without tricks. but I think it is hard for me 
First of all. Let me tell you. I ENJOYED IT A LOT! Giving 5 Stars for, Fun Design Use of Motors and Sliders Tricks & Concept Come up with more levels. Thanks for sharing.