Instructions for the magic.
PUZZLING BOOMERANGS This amazing optical illusion will have your audience shaking their heads in disbelief. Place one of your boomerangs on top of the other—you’ll find that they are exactly the same size. When using them in your show, put the boomerangs on the table, one directly above the other. The bottom one will appear to be bigger than the top one. This illusion is so convincing that you may even fool yourself the first few times you try it! Now pick up the top boomerang and pretend to stretch it, then replace it—but under the one still on the table. Suddenly the “shorter” boomerang will appear to be the longer one! You can repeat this a few times to totally confuse your audience. Finish by saying, “Now I’ll make them both the same size!” Snap your fingers over the boomerangs, and then demonstrate that they are in fact the same length by placing one on top of the other!