If you ask me what one toy is played with constantly in our house, there's no doubt that it is Magformers. Magformers are colorful magnetic building sets for kids that are used to create 3D structures including geometric shapes, animals, buildings and vehicles. MAGFORMERS is the industry leader in magnetic building toys for children. My kids were first introduced to Magformers two to three years ago at their cousins house and they instantly became fan. Throughout the past two years we have acquired a number of sets and now have 300+ pieces.