Retail Box contains 24 packs. Each pack contains 10 cards.
Topps' Big League Baseball release is a super fun set available at a great value. It's geared towards newcomers and is thus considered one of the more child-friendly sets making this an awesome gift.
The full 400-card set includes both veterans & rookies as well as themed cards like Stat Kings, All-Time Greats, Ballpark Landmarks and Bark in the Park.