junior 8 level aint working for me and i tried 2 different solutions but it keeps turning red
i tried assembling a horizontal assembler then rotate, to no avail
i also tried stacking 1 bar on a big square which also didn't work
The Stacker works in a way where the block going in a straight line will always be the one at the bottom of the stack. This is not clearly indicated in the tutorial and I intend to have a more visual way to explain that. Hope that helps, if you're still stuck, the Walkthrough has the solution for that level, you can find the link in the option menu.
Thanks for trying out the game :D