Endless fun with these simple tubes! Listen to them pop as you stretch them up to four times their original length. Bend them into all kinds of shapes – even connect it with other Pop Tubes. You can also stretch it all the way out and swing it around to hear it whistle. Comes in a 6 pack of assorted colours - red, green, blue, magenta, orange and yellow. When compressed the tubes measure 21cm and when extended 70cm.. 3cm in diameter.