I'd love to hear a little bit about the monsters in the Red Box.
Here is the list of Monsters that have stat blocks in the Monsters section of the DM Book:
Doppleganger Sneak level 3 Skirmisher
Fledgeling Black Dragon level 2 solo Lurker
Fledgeling White Dragon level 1 Solo Brute
Guard Drake level 2 Brute
Psuedodragon level 3 Lurker
Bloodseeker Drake level 4 Soldier
Goblin Sniper level 1 Minion Artillery
Goblin Cutthroat level 1 Skirmisher
Goblin Hex Hurler level 3 Controller (Leader)
Bugbear Thug level 4 Brute
Hobgoblin Battle Guard level 3 Soldier
Human Common Bandit level 2 Skirmisher
Human Town Guard level 3 Soldier
Kobold Tunneler level 1 Minion Skirmisher
Kobold Slinger level 1 Artillery
Kobold Quickblade level 1 Skirmisher
Lizardfolk Poisonscale Brawler level 3 Brute
Lizardfolk Poisonscale Snatcher level 2 Lurker
Gelatinous Cube level 5 Elite Brute
Green Slime level 4 Lurker
Battletested Orc level 3 Soldier
Orc Archer level 4 Artillery
Orc Savage level 4 Minion Brute
Dire Rat level 1 Brute
Scurrying Rat Swarm level 1 Skirmisher
Skeleton level 3 Soldier
Decrepit Skeleton level 1 Minion Skirmisher
Deathjump Spider level 4 Skirmisher
Stirge level 1 Lurker
Wererat level 3 Skirmisher
Gray Wolf level 2 Skirmisher
Dire Wolf level 5 Skirmisher
Grasping Zombie level 1 Brute
Hulking Zombie level 4 Brute