How to set up object pool to spawn 27 different objects

I got help and was told I need and object pool for people to see the synced object pickup but I don’t know how to set up the buttons or the hierarchy for 27 different object that need to be spawned multiple times any help with showing me how would be really appreciative.

Udon for the pool Spawn:

object pool:

Buttons in world for each object needed to spawn (1-8):