Give little builders something to build with the Mega Bloks Primary Colours 70 Piece Bag . This chunky set has 70 big and colourful building blocks , to build anything you can think of. Will you build a castle, a lion, a boat, or something even more exciting? You can build with the colourful blocks on their own, or use them with other Mega Bloks sets to build even bigger thing s! When you've finished your days building, the blocks easily pack away into a flexible PVC bag for easy carrying and storing. Mega Bloks 70 Piece Bag - primary Colours is a great set for encouraging creativity, and can be used with other Mega Bloks sets.