The simplest ideas are often the cleverest, and this clever Swedish website takes simple ideas and shows how well they can work. But the most important factor is that it sets out to prove that fun can change our daily habits, and there’s a 2500 euro ($3330) prize for the best ideas.

Some of our favorites include the Piano Staircase, where 60% more people used the stairs instead of an escalator when the staircase were transformed into a giant piano keyboard.
Then there’s the Speed Camera Lottery. Rather than punish speeding drivers, this camera records the license plates of drivers who observe the speed limit. They are then entered into a lottery with a cash prize. There’s even a suggestion to take the prize from the fines of speeding drivers. Either way, it’s an incentive to drive under the limit.
Gaming Safety Belt allows the car occupant to listen to music or play video games only after the seatbelt is fastened.
There are a ton of recycling ideas and exercise options that would certainly make our world more fun.
So check out the clever ideas at TheFunTheory.com