I have created some funny things in the past but now I thought I could share the current thing I came up with and perhaps future things.
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Yup it's quite simple really, but it's the idea that counts The blinking lights are from a police car and ambulance that the kids got recently (From Sinterklaas, yay :D). I am still puzzling on how I can build a working scale. And I bet those blinking lights can come in more useful still in some ways. I do wish duplo offered some more options like blocks with smooth flat easy to use surfaces... or other ways to rotate things. Currently I can use the cone block like in the picture and have it be captured by the bottom side hole of a duplo block.
I'd like to invite others to share ideas on what can be made, or perhaps actual results.