Description: 【Product Name】: Logical Key - This is a part of our educational board game series designed to stimulate and develop children's cognitive abilities. 【Recommended Age】: Matching Toy suitable for children aged 3 years and above, this game is a nice tool for early childhood enlightenment and brain development. 【Game Participants】: Designed for single play or group interaction, Puzzles Game can accommodate single player or more, making it a versatile addition to your child play routine. 【Material & Size】: Made from sturdy paper material with card dimensions of 10*14cm, this educational game is lightweight yet sturdy enough to withstand regular use. 【Package Contents】: Each Educational Flash Cards set comes complete with 1 stand, 1 key, 1 rope, and 40 cards providing endless hours of fun and learning for your little kids. Specification:Difficulty: (Recommended fits for 2-4 years old) Size Chart: card 10cmx14cm/3.94inchx5.51inch Package Includes: 1 Stand 1 Key 1 Rope 40 Cards Note: Please allow slightly errors 1-2cm differences due to manual measurement.