4 kg Green sand snake. Stand on the tactile snake and it will not roll to one side. Position the snake straight, curved or coiled. The elastic textured material massages the feet. Ideal for use in therapy for people with perception difficulties. Polyester cover with quartz sand inside. Because of its weight, can also be used as an excellent Sensory Integration tool providing calming proprioceptive feedback. Not suitable for someone weighing less than 40kg. See also S83