*No code needed, discount automatically applies in cart. Valid between February 18, 2026 (9:00 am PT) through December 31, 2026 (11:59 pm PT). While supplies last. Valid on items using this link only: https://creations.mattel.com/collections/up-to-20-off-select-uno-card-games. Price as marked. Cannot be combined with any other promotional offer. Offer not valid on items outside this promotional link. Purchase limits may apply; see individual product descriptions. Only one discount per order, may use on additional orders. Not applicable to taxes, shipping or handling charges. Mattel reserves the right to modify or cancel this promotion at any time without notice. Void where prohibited.
Inspired by Halo Infinite’s robust online game mode, this multiplayer-themed building set recreates the customized action the series is known for. Chosen by the fans, this set features brand-new coatings for several favorites, including a Neon Superfly Warthog, GEN XII Mongoose and rival Estate Gold and Neon Superfly fireteams – plus two all-new weapon accessories. This set also includes eight micro action figures to create Multiplayer Mayhem.
SKU#: HRR68
- MEGA™ Halo® Multiplayer Mayhem
- MEGA Halo Multiplayer Mayhem Building Toy Kit with 8 Micro Action Figures
- Fan-vote winning Halo Multiplayer Mayhem building set inspired by the Halo Infinite game mode
- Includes all-new, fan-chosen Warthog, Mongoose and rival fireteam coatings
- 8 highly detailed, super-poseable micro action figures with swappable weapon accessories
- 462 bricks and pieces combine with all MEGA building toys and are compatible with other name brands
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