I bet I can shrink an inflated balloon without letting air escape from it or even touching it.
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 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 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 light a matchstick using another one.
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 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.