Linking Number Rods
thingiverse
These linking number rods are a useful tool for teaching basic number concepts. Each rod is centimeter-length based on the number it represents (so a 7 rod shows seven 1cm squares on the top). These can link together to teach/learn basic addition/subtraction and counting concepts.
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With this file you will be able to print Linking Number Rods with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Linking Number Rods.