Arachnophobia Attack! This is an inexpensive way to give any room a huge eerie impact! We literally spent less than $3.00. What you need to weave your web: Yarn. Scissors. Scotch Tape. Spiders? Make your frame: Tape the ends of pieces of yarn to create an X. Tape other crisscrossing lines or "spokes". Create the spiral: Tie a new piece of yarn on a spoke close to the center of the web. Start weaving the piece of yarn. Over the spoke, loop it back under the same spoke and continue to the next…