Brackitz BZ82114 Education Center: 320 Piece - Imagination Teaching Set and Building STEM Toy - Perfect for Classrooms (Pack of 320) 75 Long Blue Planks 75 Short Blue Planks 60Blue, Orange, and Green 4-Way Connectors 60 Red, Yellow, and Purple 3-Way Connectors 50 Magenta Motion Connectors Full Teacher Activity Guide Durable, stackable, and safe storage bin with handles and wheels Unique connect-anywhere system Allows builders of all ages to design and construct any structure they can imagine Fun for all ages - simple enough for young children,expandsas they grow older, even adults Collaborative - children learn social skills through play Learn through play - engineering, math, art, architecture, science Used in classrooms, pre-k through high school, museums and homes around the world Strong and Durable - build gravity-defying 3-D structures Made in the USA.