Enjoy a unique sensory experience with the Rainbow Groan Tube! This classic Japanese invention from the '60s gets a technicolour twist with its rainbow colouring. Satisfy auditory sensory needs with a shake and tilt it to make a totally grooovy 'groan' sound!
Features 40 cm of length, you can make some serious music - no instruments required. Get your groove on with the timeless Rainbow Groan Tube!
