Puzzle Collection > Block By Block
- Name: Block By Block
- Manufacturer: Thinkfun
- Year: 2009
- Where to buy: Block By Block at Puzzle Master Inc.
- Object: Build each of the sixty 3D structures with just seven 3D pieces. This sounds easy but I can tell you it isn't. Each of the seven pieces, based on three or four connected cubes, is unique. If you are stucked with one of the sixty puzzles there are helpful clues available on the back of the card.