Amazon.com: Eske Kouri Gobricks GDS-953 Modified 2 x 2 with Pin and Axle Hole Compatible with Lego 6232 All Major Brick Brands Toys Building Blocks Technical Parts Assembles DIY (21 Red(010),600 PCS) :
Bricker - Construction Toy by LEGO 6232 Skeleton Crew
LEGO 6232 Skeleton Crew Set Parts Inventory and Instructions - LEGO Reference Guide