Catenary Arch Set.
$25.13
AvailabilityIn stock
SKU
611-0355
Here's a great hands-on lab for physical science, math or even art. Our streamlined set of blocks helps you understand the unique structural strength of an arch of this type. While the mathematical workup is complex, the basic shape needn't be. Kit includes: 13 wood blocks, all about 2" long and 1/2-1" thick; instructions with full-size template.
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