Features: Designed for boys aged 6-12, this logical puzzle machine enhances critical thinking through engaging decryption challenges using number combinations and pattern recognition, crafted with food grade ABS for safe play. Features smooth rounded edges and soft buttons made from ABS, with portable light in weight design (6.5"x4") perfect for developing logical reasoning and memory skills during code cracking gameplay. Ideal STEM gift for school boys interested in mystery solving, especially those transitioning from screen time to hands on cognitive development activities. Compact enough for travel bags and school backpacks, it transforms idle moments into boosting during road trips, classroom breaks, or game night. Combines the thrill of escape room challenges with childhood learning, fostering systematic problem solving abilities through 3 difficulty modes that grow with your child's cognitive development. Specifications: Component:Plastic Size: Approx.13x9x2cm/5.12x3.54x0.79inch Color: 2 Option Quantity: 1 Set Package Includes: 1x Decoding Game Toy note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.