Harry Potter Years 1-4 - Lego
Don't stress about missed collectibles early on. Many areas require spells like Reducto (learned in Year 4) or specific character types (Dark Wizards, Goblins) that you won't have yet.
Once you've unlocked a diverse cast—including a Dark Wizard (like Tom Riddle), a Goblin (Griphook), and a Strong Character (Hagrid)—replay levels in Free Play to collect remaining House Crests. Key Spells & Abilities LEGO Harry Potter Years 1-4: Complete Guide - Ftp LEGO Harry Potter Years 1-4
Find and buy Red Bricks for Stud Multipliers (x2, x4, etc.) as soon as possible. These make buying expensive characters and other extras much easier. Don't stress about missed collectibles early on