Go to website:
https://www.gamespot.com/lego-harry-potter-years-5-7/cheats/You can use cheat codes to get this achievement. (I found Score x4 on this website to get the cheat codes on Red Bricks in this game.)
Score x2: 74YKR7
Score x4: UWCQHB
Score x6: XK9ANE
Score x8: HUFV2H
Score x10: H8X69Y
Hope this works or not for you guys!
Good Luck on this achievement!👍