8 Pc Transformers Mini Party Favors Set - Bundle 8 Optimus Prime Play Packs with Mini Coloring Books, Stickers, and Goodie Bags | Transformers Birthday Party Supplies Decorations. This Transformers party favor bundle includes 8 mini Optimus Prime play packs. Each Transformers play pack features 1 mini coloring book, stickers, and coloring utensils. Transformers party favors are great as Transformers activity sets, goodie and gift bag fillers, non-candy Halloween treats, trick or treat goodies, Optimus Prime coloring sets, classroom rewards, and more. Sure to delight Transformers fans. Great to pass out as classroom rewards and prizes or party favors. Color along with favorite characters like Optimus Prime, Bumblebee, and more. Officially licensed Transformers gifts for kids are perfect for boys and girls alike. This set also comes with Beach Kids loot bags, the perfect size for Transformers play pack gift bag stuffers.