Get the best of both worlds with the FriXion 12 Pack + Rocketbook Core Bundle. This bundle includes the Pilot FriXion 12 Pack, which features 12 vibrant colors that work seamlessly with the Rocketbook Core. The Rocketbook Core is an endlessly reusable notebook that provides a classic pen and paper experience, while also being connected to all of your favorite cloud services. With this bundle, you'll have everything you need to write, erase, and rewrite to your heart's content.