LEGO Harry Potter | Dobby™ the Free Elf 76469. This 379-piece 2in1 set builds an articulated Dobby that can sit, stand or walk, then rebuilds as Kreacher. Accessories include shoes, Tom Riddle’s diary with fabric sock, Skele-Gro potion, fork and Slytherin’s Locket. Dobby measures approximately 18 cm high; Kreacher 15 cm.