The class visiting local song festival ground – Aruküla Lauluväljak. This autumn rained a lot and the place was under the water. In a cold October day the little lake was covered with ice. It was good opportunity experiment with the ice. Different activities were taken place: looking sun through the ice, throwing pine cones on the ice. Children discovered how easily ice will broke and what is under the ice. Learning and having fun the same time.