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Poupar energia é uma tarefa para todos, pois o consumo de energia levado a cabo pelos seres humanos pode exceder os limites do planeta em breve.

I bet I can break a wooden skewer with one chop, even though only a few sheets of paper covers the part that is on the table.

I bet I can make a musical sound using a matchbox.

I bet if I cover a water-filled glass with a sheet of paper and I turn it upside down, water will not spill out.

I bet I can pierce an inflated balloon without bursting it by pushing a skewer right through it.

I bet I can send a bag airborne without throwing it upward.

I bet I can make a gun using a plastic tube and raw food materials.

I bet I can crush a plastic bottle with the help of a few litres of water.

I bet I can make a turbine using 3 straws.

I bet I can suck up your drink from your glass with this plastic bottle without squeezing it.

I bet I can move the coin covering the mouth of the bottle using only the warmth of my hands.

I bet I can play music using two straws.

I bet I can move a seesaw using a candle.

I bet I can light a matchstick using another one.

I bet I can pump the water from the bowl into the glass

I bet I can move completely burnt match heads using an invisible force.

I bet I can push off a matchstick from a coin standing on its edge inside a glass without moving either of them.

I bet I can put out the candle inside the glass.

I bet I can take the coin out without touching or knocking the matchsticks down.

I bet I can light the candle using an ordinary match even if I hold it several centimetres above the wick.

I bet the mug attached to a string will not shatter if I let it drop over a wooden spoon. (There is a key tied to the other end of the string.)

I bet the ball rolling down the longer ramp will reach the bottom sooner.

I bet my double cone can roll up the slope without me giving it a push.

I bet the ring will climb up the rubber band slope.