# Zhu Zhu Pets

> Cepia's $10 robotic hamsters sold out as holiday shoppers turned to resellers.

- Owner: Cepia LLC; Russ Hornsby (inventor)
- Kind: Product
- Sector: Toys & collectibles
- Seed date: May 2009
- Peak proxy date: Week of Nov 29, 2009
- Date basis: Proxy date; not a directly measured attention peak. Dates use the stated precision; chart positions are date anchors.
- Spread Score: 48 (Notable, provisional), v1.2
- Mechanics: Underdog, Platform jump, Sell-out loop, Resale market, Controversy

## Summary

Phoenix store tests preceded a nationwide launch backed by cable ads and gifted blogger reviews. Holiday shortages fed resale coverage. GoodGuide's antimony allegation spread in December; CPSC found the toy compliant and GoodGuide corrected its comparison.

## Timeline

- May 2009 — Cepia LLC (Retail) — Cepia tested its robotic hamsters in Phoenix stores before the nationwide launch.
- 2009-05-31 — Cepia / Arizona Diamondbacks (Retail) — Cepia promoted the hamsters at Chase Field with masks for the first 5,000 children.
- Aug 2009 — Cepia LLC (Retail) — Cepia rolled the toys out nationwide in August; TV ads and blogger parties supported the launch.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/zhu-zhu-pets

Cite as: How It Spread (2026). “Zhu Zhu Pets.” Case HIS-01355. Spread Score v1.2: 48/100. Updated 2026-10-22. https://howitspread.com/id/HIS-01355