Help needed with minor details on a SR Latching Relay

[JonathanKadzionis]

Hello, I'm looking for help finishing a SR Latching Relay I'm trying to implement in Multisim, it looks as follows:

It does work, but I can only switch positions once before both relays break. What could I do to make it functional without breaking after activating? Here's what I based of to build it

I originally used the single toggle and 27 ohm coil resistance but it wouldn't work. Any help is appreciated.