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Challenge / Goal

The city identified the need to highlight and promote the valuable services and contributions provided by second hand stores in the circular economy transition.

The objectives of this action were to test the feasibility of using digital apps to gain insight into the type of items that are dropped off and taken and other characteristics of material flows in second hand stores. Additionally, this was seen as a test of the potential of such apps to promote a further reduction in Co2 and to increase the efficiency of the circular system. 


Two digital applications (Spaarpas & KRPS) were created especially for the Recycling Industry with both applications linked to each other. The first application ensures that data relating to goods and material flows is collected, monitored and made publicly available. The second application enables a reward system for citizens who bring goods to the participating second hand stores.

The Kringloop Spaarpas (app) is the only reward scheme for second hand stores in the Netherlands. The Hague is the first city to trial this system which can be easily rolled out nationally through the national Kringloop chain of second hand stores. 

The rewards scheme allows everyone who returns or buys items to receive credit which can be spent at one of the affiliated branches. Users can also choose to have the savings donated to one of the 20 affiliated charities. For example, for clothing brought to the store one generally gets (depending on the quantity and quality) between 0 and 25 points, with each point worth 10 cents. 

The second app – the Recycling, Planning & Registration System – KPRS was designed through intensive cooperation with other recycling organizations. The application allows money, goods and information flows of circular organizations to be monitored digitally efficiently and easily. Every action, every flow is logged and archived. Results and overviews can easily be made visible in various report styles. 


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Time period

Planning time: Less than 6 months

Implementation time: Less than 6 months


Municipality of the Hague; Second Hand Stores in The Hague

Service providers

Second Hand Stores in The Hague

End users

The Hague Citizens

    Main benefits

  • Promoting sustainable behavior

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