Got a crash:
___________________________________________
############################################################################################
FATAL ERROR in
action number 1
of Draw Event
for object obj_pipe:
Array index must be positive
at gml_Object_obj_pipe_Draw_0
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Object_obj_pipe_Draw_0 (line -1)
Also, it's anoying that deleting itens dosen't make your money comeback, so you end up having to restart all the time and that the leftmost square in the grid dosen't register if you have a conveyer belt there