Diy Solar System Astronomy Sun Earth Moon Planet Model Wooden Mechanical Set Children'S Science Popularization And Game Plaything

Is Electric : No

Recommend Age : 14+Y Origin : China

Montessori Astronomy Gifts Sun Earth Moon Planet Solar System Model Diy Kid Science Geography Toys Stem Education School Teacher Material: Wood Suitalbe Age: Over 5 Years Old Product Size: 8*5*12 Cm (3.54*1.97*4.72 Inches) Feature: The Product Is Composed Of Three Small Balls Representing The Sun, The Earth And The Moon. Children Can Learn The Relationship Among Three Balls To Improve Their Astronomical Knowledge And Stimulate Insterest. Note: The Price Is For 1 Set. The Batteries Are Not Included.

We always take a rigorous full chain quality control system as the core. Before each product is delivered to the user, it undergoes multi-dimensional and full process rigorous testing and layer by layer verification to ensure that the performance and quality of the entire process meet the dual standards. Starting from the source control, all raw materials must pass inspection, and core indicators such as appearance accuracy, electrical performance, environmental compliance, and material strength must be verified item by item After the finished product is taken offline, it will enter the stage of comprehensive performance testing and reliability verification. We simulate various extreme usage scenarios, complete functional accuracy calibration, rated load operation, high and low temperature cycling, humidity tolerance, vibration impact, comprehensively verify the stability and durability of the product, and ensure that all indicators meet the standards Final re inspection, completing a comprehensive verification of appearance, function, and packaging. All test items that meet the standards and release criteria for products, we fulfill our quality commitment to our customers with every rigorous test and every rigorous verification, delivering stable, reliable, reassuring, and durable high-quality products