The Dwarven Trial Of Patience (Monument Idea)

After seeing Etho's video on utilising random cactus logic. I decided to use this to give an example for the monument. His video can be seen here:

It starts with the person entering the doorway.
https://2img.net/r/ihimizer/i/20101218125226.png/

They then enter the waiting room.
https://2img.net/r/ihimizer/i/20101218125219.png/

The sign will destroy the cactus.
https://2img.net/r/ihimizer/i/20101218125244.png/

And when the cactus drops it lands on the pressure plate.
https://2img.net/r/ihimizer/i/20101218125257.png/

It opens the door.
https://2img.net/r/ihimizer/i/20101218125305.png/

And they enter the prize room!
https://2img.net/r/ihimizer/i/20101218125308.png/


Note this was made in 20 minutes with invedited in materials. However I hope you understand this.

Downside is we can't use cacti or sand

That sucks D:. Is there anything else that is possible to do for this?

You should ask Purple anyways, he might make an exception

Okay I'll ask him when he is on next.