Which innovative product packaging approach revolutionized geometry tools for students in the 1990s?

Product packaging in mathematics education has evolved significantly over the decades. From basic wooden counting blocks to sophisticated digital learning tools, the way mathematical concepts are packaged and sold has transformed how students engage with this critical subject. This trivia question focuses on a revolutionary packaging innovation that changed how geometry tools were marketed and sold to students worldwide.

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The Oxford Mathematical Set - a metal tin containing compass, protractor, and other tools with embossed mathematical formulas on the case
The Digital Geometry Box - a battery-powered case with electronic versions of traditional tools and built-in calculator
The Eco-Math Collection - biodegradable packaging with tools made from sustainable materials and printed carbon offset information
The MathPro Holographic Set - transparent tools packaged with 3D holographic instructions showing proper usage techniques