In the old days, "spot the difference" was the standard practice in Lego instructions [0] 0: https://www.toysperiod.com/download.php?file=h4d4k5w544a4h4n4x5v5s

In the old days, "spot the difference" was the standard practice in Lego instructions [0] 0: https://www.toysperiod.com/download.php?file=h4d4k5w544a4h4n4x5v5s444t4r5n4t5k424v21323t214m2r2v2b4w2w2c4z2.pdf https://www.toysperiod.com/download.php?file=h4d4k5w544a4h4n...