Original design: Blending traditional "pebble catching game" with modern technological elements, it won the 2023 Korean Toy Design Award. Hand-eye coordination training: Through precise actions such as grasping, throwing, and stacking, it enhances reaction speed, concentration, and fine motor control. Interactive competitive mode: Supports single-player challenges, two-player battles and AI time trials, with built-in sensors providing real-time feedback on the accuracy of movements. Safe and environmentally friendly materials: Food-grade silicone stone +ABS engineering plastic base, light in weight, shockproof and wear-resistant, and has passed the international EN71 safety certification. Product Specifications and Contents: Smart sensing base ×1, colored silicone pebbles ×12 (diameter 3cm, weight 10g per pebble), Replaceable challenge cards ×5 (for tasks of different difficulties), USB charging cable ×1. Dimensions: Base diameter 20cm, storage height 5cm (portable design). Applicable age: 5 years old + (also applicable to adult rehabilitation training). Battery: Built-in lithium battery (8-hour battery life). 2. Traditional gameplay upgrade: Supports classic stone-catching rules, and at the same time allows for customizing the number of stones and the rhythm of throwing and catching.