|Ruth from the UK sent me some pictures of her students making the climbing creature as an old toy, part of their history project.||The only problem, she reports, was a mixup, at first, of inches (I've added some metric measures).|
Print out the pattern on this page. Some browsers--especially Netscape--change the scale and the size of the printed pattern. If the printout says something like, "Scaled-60%" try another browser. Also, the printout has a scale check. It says 2" line to line or 5 cm line to line. Make sure it's accurate. Rough cut (bubble cut) it out. Stick "tape doughnuts" (pieces of tape stuck end to end--sticky side out) to the back of the pattern at the hands and feet. Now fine-cut the cardboard on the outside pattern lines. The two lines on each arm just show where the straw will be taped later.
Peel the pattern off the cardboard, but first notice where the lines on the arms are, and how they go across the arms. Cut straws as long as the arms are wide (about 3/4"). Tape them on. Press the tape on hard, because the straws take a lot of stress.
Wrap another piece of tape around the arm perpendicular to the first, as indicated by the red arrow. Think of this as taping the tape that holds the straw. I can tell you from experience that kids pull so hard they rip the straws out unless they are really fastened in.
Tape a coin somewhere. I usually make it a giant belly button. The coil provides weight so the climber slides back down when you let go. Sometimes you have add a second coin if the climber gets stuck, but try it with one.
We can string the creature and test its climbing now, using a doorknob (step 4 will free us from having to rely on a doorknob). Cut about a 5' piece of string. Thread the ends through from the top. Wrapping a little tape might help keep the string from unraveling and make it easier to thread through. Once it is through, a bigger piece of tape will keep the string from pulling back out.
Hang the loop of string on top of the creature on a doorknob. Making the bear climb is very easy to show someone, and harder to describe in words. With both hands, pull down very gently on both strings. Pull one string down while allowing the other string to rise. The creature will tilt one way and go up. Pull the string that was going up down instead while letting the other string go up. The creature tilts and rises again! And so on.
Making a pivot is optional, but it frees you from having to use a door knob. Before you start, see if you can figure out how the climbing creature works. Adding the pivot limits how far you can pull the string down each time, making it a bit more of a challenge to figure out.
Wrap about a 1' piece of string a couple of times around the middle of a tongue depressor, popcicle stick or piece of dowel about as long (6"). Tie it tightly. If it slides around, tape it so it stays in the middle.
Determine the middle of the loop of string on top of the creature. Tape it securely to both ends of the tongue depressor. Use several wraps for strength. Kids pull pretty hard.
You can tie the pivot string around a pipe or tie a loop in it to hang it from a hook. Sometimes when doing this project with groups where there is nothing to hang from, we tape the pivot string to the wall.
|For explanations, activities and cool links related to the climbing creature click here or on the picture.|