A geoboard is a mathematical manipulative used to explore basic concepts in plane geometry such as perimeter, area and the characteristics of triangles and other polygons. It consists of a physical board with a certain number of nails half driven in, around which are wrapped geo bands that are made of rubber.
Finally, early-learning concept books with pages that children can turn all by themselves! Created with the help of child development experts, this unique format is designed to keep the pages from sticking together and eluding little fingers. Combining sweet illustrations with real photographs, this book helps children learn to recognize the basic shapes that make up the world around them.