Makedo with this useful Scru+ 120 piece set! Build, make and create more complex cardboard designs. Scru+ can also be used to attach 3D printable Makedo elements, such as hinges and brackets. Use the Scru-Driver or Mini-Tool to screw the Scru+ into the cardboard. The Scrus easily connect into four to six layers of tough cardboard. Makedo conforms to EU REACH / EN71 toy safety standards. Makedo - Scru+ 120 product features: 120x Scru - connects six layers of cardboard Can attach 3D printed Makedo elements 4 years + Needs to be used in conjunction with a Scru-Driver or Mini-Tool