Connetix Rainbow Rectangle Pack (18 pc)Available in six vibrant rainbow colours and featuring Connetix's unique bevel design, the 18 piece Rainbow Rectangle Pack includes three rectangle sizes designed to spark imagination and creativity! Exclusively designed to be the same length as two, three or four standard Connetix squares connected together, this pack will give your builds the extra stability and structure you need to create bigger, more elaborate designs. As an open ended quality