Road Sign 2 x 2 Square with Open O Clip with Dark Purple Screen with Dark Azure Grid, White Warning Triangle, 'ALARM', and Bar Graph Pattern (Sticker) - Set 70424 is a LEGO piece that appeared in the Ghost Train Express set which was released in August 2019.
This part currently has a value of $2.06 based on average sale price over the last 6 months.
Name: Road Sign 2 x 2 Square with Open O Clip with Dark Purple Screen with Dark Azure Grid, White Warning Triangle, 'ALARM', and Bar Graph Pattern (Sticker) - Set 70424
Appears in: 1 set
Bricklink code: 15210pb106
Confidence: Low
Current value: $2.06