The official announcement didn't mention if these items will be tradeable to other players, just stating that Golden Egg items can be traded in. However, Psyonix Community Manager Psyonix_Devin confirmed on the /r/RocketLeague Discord that Golden Egg items will be tradeable to other players, meaning receiving some of the rarer Champions Series items could be worth quite a few keys.Finally, the post announced a new arena for Rocket League, called Throwback. This arena is based on SARPBC-style field setups, where the goals aren't built into the walls on either end. Instead, they're more like hockey goals, where players can play the ball behind the goal, or use the back end as a ramp. Psyonix also states that the physics on Throwback will be adjusted with a little bit of a lighter ball to truly give the feel of SARPBC.
Throwback will be kept in a separate 'anniversary' playlist from standard arenas, meaning you won't have to deal with a different field arrangement while you're trying to play competitively.Personally, I'm excited to give the SARPBC arena a try, and I'm hoping to get lucky with a Golden Egg or two. Good luck, everyone!I'm an avid gamer and student of technology. I'm interested in how we interact with technology, and what these interactions mean. Video games are a great intersection between humans and technology, because they constantly push the envelope of interactivity and design. 

Rocket League Trading in Summer early with its latest in-game event, releasing 12 new items that you can buy with event currency, along with the brand new Beach Blast crate. The Beach Blast Event is live now, and will continue until July 2, at 8pm EDT. Though this update might fly under the radar thanks to the excitement of E3, the new summer-themed items are awesome and you'll definitely want to earn enough event currency to purchase the rewards you like. You can unlock shells (this event's currency) by completing online matches, both competitive and non-competitive. So far I've earned around 12 shells per match, meaning most rewards should only take a few matches to purchase. Below is the list of the rewards you can trade in your shells for, including "Mr. Pineapple" in case you've always wished you could have a screaming pineapple as a topper.