Wooden Building Puzzle - Archa 1The Archa 1 building set is one of the larger sized building puzzles from Archa Program and has 6 different ways of assembling it. These puzzles really are a lot of fun but are also a great way for them to challenge their problem solving skills and to improve social skills by working together as part of a team. They're an excellent activity for children and even adults, to do together with friends, especially if it's cold and wet outside! Once