World's Smallest Duncan Imperial Yo-Yo Super Impulse #SI501 World's Smallest Duncan Yo-Yo World's Smallest Duncan Imperial Yo-Yo by Super Impulse More of the worlds BIGGEST and most CLASSIC toys are back in their smallest sizes ever! Super Impulse is growing its Worlds Smallest collection to include a miniature edition of the world's most popular yo-yo... The Duncan Imperial Yo-Yo is now available. Measuring 1oe" in diameter, it is the World's Smallest yo-yo! Available in red, blue, and green. LI Toy Game is a small family-run business on long island, with a physical retail store strong online presence. We have an excellent reputation because we sell good stuff, describe it accurately, and take care of our customers! We are closed on Mondays, and ship Tuesday - Saturday, and also offer local pickup at our store. Thanks for looking, and have a great day! (description exceeds maximum possible length)