Pipe Cleaners are everyday items that provide you with the basic materials that you need to build your next STEM creation. We provide the "basics", but the rest is up to you, your creativity, and your STEM skills. Use STEM Basics to support your favorite STEM Starters Kit, or design and construct a STEM challenge of your own! Measures 12". Each pack includes 100 pieces. Sold as 12 packs for a total of 1200 pieces. Ages 3+.