The Best Flippin' Card Show at Polar Park

The Best Flippin' Card Show at Polar Park is a trading card show at Polar Park in Worcester, MA on August 22, 2026 from 9:00 AM - 5:00 PM.

The Best Flippin' Card Show, a highly successful card show headquartered in Woburn, MA is headed back to Polar Park in Worcester, MA for a third time! The event brings you a completely unique experience inside Polar Park, home of the Red Sox AAA affiliate, the WooSox, running from 9 AM - 5 PM, with entrance at the main Gate D.

• On the covered concourse for this rain or shine event, you will find 75+ vendors selling everything from 10 cent cards all the way up to $10,000+, for all different types of budgets. Raw cards, slabs, boxes, packs, and supplies....you name it, we will have it on hand. Pokemon, One Piece, and other TCG's will be sold along with all of the major sports categories from some of the best dealers New England has to offer. It is a typical "mixer" event, like many of the other shows we throw.
• There will be food and drink concessions for purchase all day inside the venue plus activities for the kids. Come out and meet some of the WooSox mascots and try your hand at speed pitch. We are offering a FREE speed pitch (donations taken to help the WooSox Foundation), with different age/gender categories able to win free sealed baseball product. All Best Flippin' events are extremely family friendly.
• Purchase your $15 tickets in advance here through OnTreasure for anyone 13 years of age and above, kids are free. We have a policy of never passing on fees to our patrons so all tickets sold in advance will cost the same as at the door. All advance tickets will also help you "skip the line" day of the event. $4 per hour parking is available across the street at the Green Island Blvd. garage with a max for the day of $12. There are several other areas to park around the stadium if you so choose.