Best Buy.com has Lego Dimensions Back to the Future Level Pack on sale for $12.99 -> Now $11.99 with free store pickup, otherwise shipping is free if you spend $35 or more. Thanks Navigator2001Plus
Note: Additional saving maybe available to a Gamer's Club Unlocked Members.
Editor's Notes & Price Research
The Best Buy Gamer's Club Unlocked program is a 2-year paid membership for $30. Get 20% off new and pre-owned video games and software, 2x My Best Buy points on qualified purchases, special coupons, exclusive offers. Membership activation must take place in-stores only. For more information regrading this service, please visit the Best Buy Gamers Club Page.
The fun packs have all dropped to $12.99 except Doc Brown, so it looks like someone screwed up and changed the price on the wrong BTTF pack.