Stack 'em

No tricks needed. If you have no idea what to do, let the bots stand on slider. Please do leave a feedback whether it's stable for you.

Spoiler: Video solution

Does it has timing factor?

@Pratik Bhalerao No, just herd the bots to the slider. What makes you think it needs timing?

@mastersifu

Just asked a query, before going for any execution.

3rd One; Small R had stability issue.
He didn't get staked, instead kept falling, walking and roaming, on same path.

@Pratik Bhalerao That's good to know. For me, the third R always worked but not in one-go. Some walking later, he'll get stacked. But he doesn't fall off right? I mean he'll get back up and try the stacking again. Thanks for your reviews.

Cool idea! I really liked it. I wouldn't have guessed it myself. I looked at the first move on the video walkthrough. This is a very interesting effect! But you need to know it to pass your level. When I found out about this effect. Then I went through the entire level myself, without hints. You have built a good logic level around this effect. COOL!

The first giant R works great. The second and third are not stable. Sometimes they go through the slider and don't fall. You need to restart the level. We still need to think about this. How to make stability. But you've made a discovery. Therefore, instability will not affect the rating - 5!

@Denis Nazin Thanks for playing, commenting and rating. Not sure whether it has been discovered before but I think it's nice to post it. In fact, you don't need to restart the level if they don't fall precisely. They can still go around and fall again. But if the Rs fall to somewhere they'll get stuck, then restarting is the only option. And I even found out that B sometimes fall in the opposite direction during my testing.

I think the stability of the Rs depends on how many metal pillars they carry. The more pillars, the more weight will be added and more unstable they are which makes them easier to fall. But this is just my guess.

Great idea but too unstable. I didn’t need to release the small R.

Spoiler: Two R win

used same gameplay as video but Middle R refused to fall over at 1:40 , knocked the ball and wandered about til resting where small R finally rests in video

@ridgerunner Thanks for the feedbacks. I think if all Rs has the same height as the first R, then it'll be more stable. But I wanted to try the idea of different heights and see how it works for you guys. And sorry, I can't understand how you win. Perhaps you can record a video?

Yeah, that was great idea. But just only first P is stable for that move, P with lower height isn't weight enough and keep going back and forth.

@Sun Eagle Thanks for your review. Yes, the first P was stable and falls perfectly every time. I wonder if it's a device problem because my P will fall. Not sure but I can almost confirm that weight is an important aspect. Still working on it in my upcoming level.

Very fun level...I did it like you but with another order in the steps Thanks for sharing @mastersifu
Btw,I did not have stability problems...

@delator77 Wow, you're the first one who didn't experience any instabilities. Thank you very much for playing, commenting and rating.

At first I thought the slider was used to put the ball

@Labyrenight But there are four balls and three sliders... Any instabilities? Thanks for playing, commenting and rating.