Idea Purchase

"Idea Purchase" or also known as the 100 Euro test, is about evaluating for which idea the participants are willing to spend their money on.


  • Duration
    Short (up to 30 minutes)
  • Complexity
  • Group size
    1 to 100 persons

This activity is not suitable online.

Description Long

The sticky dot method gives you a democratic rating of an idea. However, the "Idea Purchase" method is about the decision if you personally would spend money on an idea, therefore the choice often becomes more difficult. To challenge the participants by asking them to decide on which idea they would really empty their pockets and spend 100 Euros on, raises awareness and leads to a careful assessment by the participants. The focus on the money can also give insights if the idea can be developed into a profitable business opportunity.



  1. Print 100 Euro notes.


  1. Hand out 100 Euro notes to the participants.
  2. Ask the participants to spend the 100 Euros on an idea.
  3. Evaluate the results. Which Idea is worth the most?

Hints from experience


Tools list

  • 100 Euro bills (toy money)


Social Entrepreneurship Series -,. (2015). Do What You Love vs Making Money - The Entrepreneur's Dilemma. Retrieved 20 August 2015, from



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