Extend the challenges and possibilities of Manipulative Library 1 with this irresistible collection! Children will be inspired to twist, notch and stretch to create super-fun structures—from giant gear constructions to fantastic imaginary creatures. Library 2 consists of the 4 sets shown and includes a total of 692 pieces. Each set comes in a stackable plastic storage box. Boxes measure 15"l x 10 1/4"w x 6"h. Each set also available separately.