Build and stack for limitless fun with the award‎-winning First Builders Big Building Bag by Mega Blocks‎.‎ These bright primary‎-colored blocks encourage hands‎-on exploration and open‎-ended play‎.‎ Construct tall towers and fantastic fortresses‎.‎ First Builders blocks are made big‎,‎ especially for little hands to handle‎.‎ When playtime is over‎,‎ conveniently pack and store the blocks in our new Eco‎-friendly‎,‎ PVC‎-free packaging‎.‎