Turn these large, colourful tubes upside down and watch as the fat, spherical oil and water droplets fall to the bottom, at different speeds, to show the passage of time. Fascinating and soothing. Pleasant-to-the-touch, smooth plastic sensory tubes feature droplets in 1 or 2 colours, cascading down steps, spirals or straight down, or small grains erupting from below. Handle with care, under adult supervision. Do not toss or throw on the ground. Set of 21.
Age: 4 +