Arch Sun Stacker can be used as a building material for the construction of bridges, towers, tunnels, caves for toy animals, or a fancy house for rainbow dwarfs. Help them to learn the shades and the concept of “more/less”, learn to count. You can make the game of Solar Arcs a part of the sleepy ritual, because it does not overload visually; it soothes and gives reason to talk about the change of day and night
