The Common Thread
Time for the team building activity: 10–15 minutes
Setup effort: Very easy (small groups only)
Estimated cost: Free
Business value: Builds rapid team cohesion, strengthens discovery skills, and accelerates bonding in team building sessions
What is The Common Thread?
The Common Thread is a collaborative team building activity where small groups must discover three to five non-obvious things that all members have in common.
The key rule: the similarities must go beyond the obvious (for example, not “we all work here”).
This constraint pushes teams to ask better questions, explore personal details safely, and build meaningful connections quickly.
It is widely used in onboarding, cross-functional meetings, and early-stage team formation.
How do you run The Common Thread?
Divide participants into small groups of 3–5 people.
Explain the objective clearly:
“Your mission is to find at least 3 things everyone in your group has in common — and they cannot be obvious.”
Provide examples of what does NOT count:
same company
same department
being human (yes, people try it)
Give teams 8–10 minutes to discuss and discover their commonalities.
Then bring the group back together and have each team briefly share their findings.
Optional twist: award a fun prize for the most surprising or creative common thread.
The full team building activity typically runs 10–15 minutes.
Why it’s great for a team
Many team building exercises create surface-level interaction. The Common Thread goes deeper very quickly.
In just one short activity, it helps teams:
accelerate personal discovery
encourage curiosity-driven conversations
break down initial social barriers
build fast group cohesion
create memorable connection moments
Because the task requires real questioning, it naturally improves conversational quality.
It is particularly effective:
in new teams
during onboarding
in cross-functional groups
at the start of offsites
From a team dynamics perspective, discovering unexpected similarities significantly increases perceived closeness between colleagues.
Teams that run structured discovery exercises often report faster relationship formation.
How to organize it effectively
The non-obvious rule is the most important success factor.
State it clearly and give 1–2 humorous examples of what does NOT count.
As facilitator, circulate (if in person) and gently challenge teams that stay too superficial.
Encourage specificity — the more surprising the commonality, the better the impact.
Keep groups small (3–5 people maximum) to ensure everyone speaks.
For large groups, run multiple breakout rooms simultaneously.
In remote team building sessions, breakout rooms work extremely well for this format.
End with a quick share-out and celebrate the most unexpected discoveries — this creates the emotional payoff.
When well facilitated, The Common Thread is one of the most efficient team building activities for creating fast, authentic connection inside a group.