For our STEAM Education Pack we have build this cool looking and nifthy GBC 39 Chain Sweeper. With 8 arms strong this module is capable of moving a lot of GBC Balls around. Sweeping away!
Inspired? Get the building instructions and start engineering today:
https://pv-productions.com/product/gbc-39-chain-sweeper-9686-building-instructions/
This GBC is part of our STEAM Education Pack: https://pv-productions.com/product/steam-education-pack/
See also our C Model Building Instructions & accessories: https://pv-productions.com/product-category/lego/