building blocks

- bill 9-27-2021 10:56 pm

- bill 9-27-2021 10:56 pm [add a comment]

A unit block is 5.5 inches long, 2.75 inches wide, and 1.375 inches thick. Larger pieces include the double (11 inches long) and quadruple (22 inches long) sizes. Smaller sizes are made in various fractions of the standard unit.

- bill 9-27-2021 11:49 pm [add a comment]

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