Fun Express Halloween Zombie Realistic Sticky Brains | Halloween & Zombie Theme Birthday Party Supplies (12 pack) REALISTIC SQUISHY BRAINS - Information isn't the only thing that sticks to these ghoulish treats. STICKY TOYS - Pass them out to trick-or-treaters for Halloween, also great as zombie or monster theme birthday party favors. Durable Rubber. 2 1/4 x 1 3/4. 12 pcs / unit. Individually wrapped.