Оригинал: 2000×1630, 303,9 КБ
Дубликат: Duplex 3
Moving marble double-sided puzzle
tp.com: www.twistypuzzles.com/forum/viewtopic.php?t=32520 www.twistypuzzles.com/forum/viewtopic.php... www.twistypuzzles.com/.../viewtopic.php... www.twistypuzzles.com/... www.twistypuzzles.com
YouTube: youtu.be/q6TBM1WRZ3I youtu.be/... youtu.be
