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MR.BALL is a robot kit with light sensors that sense a light shining on it and follow the light, rolling from side to side as though it were a living thing! Shine a light on Mr. BALL and try to control him!

* A LED light for operation check is included.



1. With the spherical form, it moves rolling.

2. 4 light sensors embedded. They catch a light around it and moves toward the light.

3. SLEEP MODE is activated when it becomes dark to reduce battery consumption.

4. PCB assembled. Only a +Phillips screwdriver is required for assembly; beginners-friendly!

5. Experiment the difference in movement by changing the weight location inside the body.



Power source: "AA" alkaline battery x 2 (sold separately)

Dimensions: 100mm in diameter of spherical form (assembled)


* MR.BALL is merchandised by EK JAPAN CO., LTD. based on the study results of Mechanics and Electronics Research Institute, Fukuoka Industrial Technology Center.

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