With these articles for measuring, brewing, steaming, cooling, pouring and preserving we are exploring the transformative alchemy of curious instruments and chemical reactions. Inspired by laboratory apparatus, Bump is an exercise in the manipulation of the conical, spherical and tubular building blocks that we love to play with, of double walled glassmaking and a play in transparency and translucence. Hand-wash in warm soapy water and dry with a soft cloth. Suitable for use with food.