Braille Cube Arithmetic Device from Japan
The Braille Cube is a cubarithm teaching tool with raised Braille numerals on rotating cubes for blind students to practice arithmetic operations. Designed exclusively for tactile mathematical education. Directly named in HTS 9817.00.94 description for cubarithms.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide curriculum showing exclusive use in blind mathematics instruction
• Include Braille number verification from standards organizations
• Document classroom use preventing toy classification