How do I make puzzle dot connecting?

Hello everyone!

I want to create this kinda dot connecting game with construct 2 I want to change the color of the shape in neon when it connects. Someone can help me with this!

Somewhat like this:

thanks

Here is a game template with a similar mechanics:

scirra.com/store/royalty-free-game-templates/match-3-connect-puzzle-game-3859

You can also look in the tutorials section:

construct.net/en/tutorials

Here is a game template with a similar mechanics:

https://www.scirra.com/store/royalty-free-game-templates/match-3-connect-puzzle-game-3859

You can also look in the tutorials section:

https://www.construct.net/en/tutorials?flang=1

Yeah, it looks like that Dop but its completely different what I'm looking for.

Well, in this case see this post:

construct.net/en/forum/construct-2/how-do-i-18/tips-posting-quothow-iquot-40390