Number of players: 12+
Time: 5min+ per game (depending on players)
This is a team game that is good for camps but it can also be played as a cell group game.
Split your players into smaller teams. Players are to roundup similar items which they all have in their own teams. Teams are given a time limit and the team with the most similar items wins.
Pens, phones, identity card
A similar game you may consider, What’s Common.