The 65mm diameter wheels, sold as a pair (1 set), are fully RoHS compliant and specifically designed for campus education scenarios, tailored for teachers and students. These wheels are perfectly compatible with DG01-series and DG02-series models, ensuring seamless adaptation to robot projects in classroom settings. Made of high-quality, non-toxic, and wear-resistant materials, they feature a smooth surface and stable structure to prevent slipping during use, making them ideal for student practice and teacher-led demonstrations. Installation is tool-free and simple, requiring no professional experience, which is convenient for teachers to guide students in hands-on operations and for students to complete independent practice. Lightweight yet durable, they can withstand frequent use in campus scenarios, serving as an essential accessory for STEM courses, after-school maker activities, and robot assembly practice. They effectively help students master practical operation skills and assist teachers in enriching teaching content, perfectly meeting the needs of campus teaching and practice.