Collector's Square by Secret Factory (GV $10)
Comes with a $10 gift voucher on your next purchase :)
After the Collector's Mental Epic, Secret Factory brings you another great item for collector - Collector's Square.
Imagine a building block on the table with a piece of blank space embedded in it. After you rearrange the building blocks, the small blank space just disappeared!
Totally self working miracle crafted by high quality black walnut.