Top up your Makedo set with this bulk Scru+ expansion pack. Scru+ connects up to five layers of corrugated cardboard and lets you attach motion accessories and 3D printed parts to add movement and detail to creations. Pack contains 120 Scru+ connectors. Not a standalone kit; requires a Scru-Driver or Mini-Tool to use. Designed for safe, reusable cardboard construction and tested to international toy safety standards.