Description Kwik Sew Toddlers’ Pattern 3510 – Toddlers’ Crew Neck Pajamas Pajamas. A: Pullover has crew neckline with neckband, long sleeves with cuffs. B: Pullover top has crew neckline, short sleeves, and contrast fabric lettuce edged ruffles at neckline, sleeves and bottom edge. Dual instructions included: Overlocker and standard sewing machines.