Together with Lino en MOOS a shop for second-hand/ durable children's clothing and toys I have developed a series of postcards. The cards have a watercolor drawing of animals and balloons, printed on recycled paper. 

You can buy them at: 

Lino en MOOS

Jan van Galenstraat 107 

1056 BK Amsterdam

And also by sending me a email: info@maevevanklaveren.nl