Collector's Triangle (Online Instructions) - Secret Factory

https://youtu.be/QYkV_ShyZto

After the Collector's Mental Epic, Collector's Square, Secret Factory brings you another great item for collector - Collector's Triangle.

Imagine when a friend comes to your home and see a building block triangle on the table with a piece of sugar embedded in it. After you taking out the sugar and give it to your friend, you rearrange the building blocks, then the small blank square containing the sugar just disappeared!

Almost self working miracle crafted by high quality black walnut.

Available in large size and mini size.