Discover this unique set of colourful liquid bubble stress-relief tubes, where tension melts away with time! Featuring an ingenious cylindrical hourglass liquid timer design, its distinctive spiral shape paired with vibrant flowing liquids brings tranquillity and relaxation. This product serves not only as an effective sensory flow device but also as a stylish home or desk accessory. Whether you require a moment's respite during work breaks or seek tranquil moments at home, this classic stress-relief tube is your perfect companion. Each time you flip these exquisite tubes and watch the liquid flow slowly, your worries will dissipate with time. Their rich colours and eye-catching appearance add a vibrant splash of colour to your space.