The material includes 4 wooden boxes with coloured lids, each one containing ten solid wooden cylinders in the colours yellow, red, green and blue. The four sets,like the cylinder blocks, are of increasing difficulty: that is why they are to be used in progression, as the child acquires further abilities. All wooden parts have UNI EN 71-3 finishing.
USE IN COMBINATION WITH OTHER MATERIALS This material is often used in combination with the cylinder blocks (SE21) because the mobile elements have the same size. Working with the coloured cylinders enables the child to make more complex constructions.