Six Types of Lock Fine Motor Skills Challenge: The set includes six basic types of locks such as latch locks and pin locks, guiding children to open locks by hand and effectively exercising hand-eye coordination, fine motor skills and problem-solving abilities Dual recognition of color and geometry: The base plate adopts a six-color design to assist in color recognition. Combined with square, triangular and other geometric openings, it simultaneously cultivates the ability to recognize color and shape in the shape matching game Creative play with transparent acrylic: Equipped with colorful acrylic transparent building blocks, they can produce shape projections under the sunlight. Children can combine light and shadow to create creative combinations, expanding their imagination in games High-quality materials, safe and durable: Made of high-quality wood and water-based paint, with smooth and polished edges and corners. The lock is made of stainless steel, which does not fade and is wear-resistant, ensuring the safety of children's play and the durability of the toy Comprehensive Ability Fun Enlightenment: Integrating lock-picking operations, shape matching, and light and shadow games, it comprehensively inspires spatial cognition, logical thinking, and hands-on abilities. It is a high-quality toy that combines fun and educational value