Here is my guide for all of the collectibles in Little Nightmares including the Light Locations
Timestamps for individual collectibles
Secret Achievement / Trophy Timestamps
Highly Sprung - 2:16
Six's Song - 11:58
Kitchen Hand - 14:13
Light Timestamps
#1 - 1:30
#2 - 2:34
#3 - 3:02
#4 - 3:17
#5 - 3:39
#6 - 4:00
#7 - 4:12
#8 - 5:30
#9 - 5:58
#10 - 6:45
#11 - 8:50
#12 - 9:24
#13 - 9:45
#14 - 10:01
#15 - 11:38
#16 - 12:17
#17 - 12:41
#18 - 13:33
#19 - 16:54
#20 - 18:39
#21 - 19:45
#22 - 20:48
#23 - 21:07
#24 - 21:57
Statue Timestamps
#1 - 1:51
#2 - 4:47
#3 - 8:02
#4 - 10:44
#5 - 13:45
#6 - 18:39
#7 - 20:17
#8 - 21:42
#9 - 22:47
#10 - 23:03
Nome Timestamps
#1 - 2:34
#2 - 4:12
#3 - 5:58
#4 - 6:45
#5 - 10:01
#6 - 11:11
#7 - 16:54
#8 - 18:13
#9 - 19:11
#10 - 20:48
#11 - 21:07
#12 - 21:57
#13 - 22:24