What can you "BILD"? Awaken your inner child with the vast possibilities offered by the OGOBILD line. The BILD line offers a stimulating opportunity for constructive play and imaginative exploration. The OGOBILD ball attachments are interchangeable, safe and functional, making it the perfect way to lose yourself in hours of play. OGOBILD Nexus With over 90 different attachments the Nexus offers maximum play value. With attachments like wheels, a scoop, hands, feet, wings, springs and more, the possibilities for creations are endless! Build a flying Martian, a hovering robot, or objects that fly, drive, and spin! The Nexus includes 4 flexible OGOBILD balls for hours of fun, and increased variety.