Using high concentration mineral powder and food grade beeswax base, the color saturation is increased by 30%, and one-time molding does not require repeated application. 0.5mm ultra-fine grinding particles, with a pen core hardness of 75 °, are not easily broken and can draw uniform thick lines. Innovative water-based coating technology, painted on clothing, tabletops, and skin, can be easily removed with a wet wipe without leaving any marks. Compatible with watercolor and colored lead overlay, meeting advanced creative needs. Usage scenario: Creative lesson in kindergarten: Large particle crayons are easy to grasp to avoid accidental ingestion. Parent child manual account: The washing feature makes desktop DIY effortless.