6 models
Recommend sizing up disk and arm for best legibility of outer numbers. To use, rotate arm to desired number on outer edge and read binary representation from centre outward. Hole represents 0, solid represents 1. Eg. Line up 19, reading…
Capital alphabet for spelling/writing/reading practice with early childhood education. Would love to hear what you use these for, and any improvements that could be done! Clearance on connection is 0.1 mm, with good tolerance on the ender…
No supports needed. Guide rails designed with 40 degree overhang to avoid print errors. 6 digit abacus ideal for simple counting and learning how to use an abacus for addition/subtraction.
Napier's Bones created by Napier in 17th century to perform complex math without having to know more than basic addition rules. Two sets presented, with recessed or raised numbers (recessed requires more precise printer). To use, simply…
4 math stencils for graphing and functions. Stencils have marks for important features and axis marks. Unit circle (half), marks for important angles Sin (/Cos) wave, straight and notched axis with marks every 90 deg Quadratic and circle…
Board design uses 5mm circular magnets to snap together. Great for travel game set in a bag. Game uses 15 pieces each for 4x4 game (10 each for 3x3).…
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