Bounce, flex, bend, wrap or wear the choices are endless. Flexo uses a unique rigid construction brick and flexible tendon that allows you to truly flex your imagination and create designs you never thought possible. It's great fun by itself, but is even more amazing when combines with your own brick collection. Together they create endless opportunities and amazing functionality. Flexo is 100% compatible with traditional and current brick brands and will be the ultimate expansion pack to your brick collection. This kit includes the following: 150 Flexo bricks (2x2), 150 Flexo bricks (2x4), 225 Flexo Tendons (size1), 225 Flexo Tendons (size2), 225 Flexo Tendons (size3), 225 Flexo Tendons (size4), Stainless Steel Tool, Instruction sheet.