These are very short: only 5 seconds long. If you don't know how to play them, see the instructions at the bottom of the page.
A student demonstrates how to make the creature climb here. The trick is to pull down gently on both strings, then alternately pull on one more than the other.
Go to the Climbing Creature introduction page
Back to the Science Toy Maker homepage.
If you have a fast internet connection, you should be able to simply point and click to play the short video file. If the picture is halting even the second time played, right-click, "save target as" and remember where you saved it.