This clever and attractive puzzle is also an intriguing lab in force and geometry.
Build a working model of the Roman Arch and learn why this structure is so strong.
Build it on a flat surface and then carefully raise it up.
The kit includes: 23 pine blocks in 6 unique shapes, predrilled buttress in 3 sections.
Try building it without the template first - it’s not as easy as it looks.
Product Weight： 1.15kg
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