puzzle: empty room with empty lockers, where to search?

search inside the empty lockers to find an inter-dimentional pocket

psychological problem: the path is blocked by puppies and kittens that are barking and meowing to the tune of "we wish you a merry christmas"

a simple invisible maze is harder than a complicated maze on paper

the player can push the pieces around

i had to create a hidden room with moving parts for the logic to trigger the exit door

i made 3 floors of boards, the glass panel allows the use of an extra piece from the floor below

the bottom board has more than one solution

while the top board can only be solved if the lower boards uses the right solution