Hero Factory Brain with Molded Hard Plastic Glow In Dark White Eyes and Spikes and Marbled Yellow Pattern - Flexible Rubber : Part 11164pb02 | BrickLink
DK Readers L2: LEGO Hero Factory: Brain Attack! by Saunders, Catherine: new (2013) | Hafa Adai Books
LEGO Bionicle Hero Factory Brain Attack 44012: Evo | eBay
Amazon.com: LEGO Hero Factory Frost Beast 44011 (Manufacturer's Suggested Age: 7 Years and Up) : Toys & Games