Step 3: Add 5th rib first (#1 in assembly diagram. It has the shoulder tabs.), then 4th, 3rd, 2nd, & 1st (#2, #3, #4, & #5 in assembly diagram). Add remaining ribs from largest to smallest below fifth rib. Add lower pelvis piece.
Step 4: Add shoulder to ribs. Attach clavicle to shoulder and glue to second rib. Add forearm & hand with thumbs facing forward.
Step 5: Add hip sockets and pelvic floor.
Step 6: Slide in upper hips. Attach femurs to hip sockets. Add foot assemblies.