Originally constructed for cats and their known affinity for cardboard boxes, the Landmark playhouses have been tested and approved by all sorts of small critters, including guinea pigs, rabbits, ...

Have you ever purchased a new refrigerator to find that your children play with the empty box for weeks, instead of playing with their expensive toys? Now is your chance to capitalize on this ...

Watch as Nate engineers a playhouse for his son, Calvin. Have you ever built a slide out of cardboard? Watch as Nate engineers a playhouse for his son, Calvin. Design Squad is available to stream on ...