Compare
Three formats. One decision.
What changes: whose challenge, who is in the room, what you carry out.
How long
A full day is eight hours, 9 to 5.
One evening. In and out.
A full day, 9 to 5.
A full day, on your site.
The challenge
Whose problem you build against.
Ours, for a good cause.
One challenge for the whole room, revealed on the night.
One shared brief.
Practise the full method on a real buyer problem.
Your riskiest roadmap bets.
1 to 4 challenges, scoped with us before the day.
You leave with
What is in your hands at 5pm.
New skills and a wider network.
A better feel for the tools, and people you did not know before.
A working prototype, tested and pitched.
Plus a certificate of completion with a LinkedIn credential ID.
A go/no-go on every bet.
Validated apps and a decision, before you spend engineering time.
The room
Who sits next to you.
The whole product community.
A curated group of product managers and designers.
Your own team. Private, NDA-friendly.
The price
Pro: no VAT. Teams: net VAT where it applies.
The rest, side by side
When and where is the next Product Build Day? Any PM considering it: join ✅

Yurii Kashuba
Which one is yours
Never built? Feel it first.
Build it. Test it. Pitch it. Berlin, 26 November 2026.
The idea belongs to a company. Buy the decision.
Still torn? Three sentences to the contact form. I answer with which room, including none.
Why the prices are public
Everyone else prices behind a discovery call.
Your first question deserves a number, not a funnel.