A new concept in geometric learning is available with the Wonderworld Posting House Shape Sorter. This educational toy encourages learning the dynamics of geometric shapes. The Wonderworld Posting House Shape Sorter is a wooden hollow house-shaped box, with six commonly shaped slots in the roof which fit six colored blocks. The Wonderworld Posting House Shape Sorter opens the door to learning with a fun and exciting process that is sure to keep your baby entertained for hours.Smart Gear