Montessori Grand Coordination - Helozon It is used in infant and child age groups for hand and eye coordination skills and mental development. Wooden beads threaded on metal wires on a wooden stand are carried to different points. It is produced using natural trees. The beads are made of wood. It is produced in accordance with EN-71 European Standard norms. The paints and glues used are water-based and comply with European standards. They do not contain toxic substances. They are completely healthy. It helps children develop their coordination, thinking and vision abilities. It helps children develop their visual and manual skills.