The shapes of these blocks are based on Dutch rooflines, Amsterdam in particular.

• The shape is a window shape (see through)
• The shape is a window shape (see through)
• The different blocks in this series work well together even though they have different heights.
• The sizes are based on 10cm x 2.5cm, matching our Bitcoins, our Lucite products.
• Please note: Small spots on the gemstones are considered normal, it is not very common, but occasionally there may be some small spots or a small blemish.
• Please consider this a testament to the craftsmanship that goes into making these blocks, it does not detract from their play value.
• A cracked gemstone is definitely considered a defect, in the unlikely event you receive one, please let us know.