Yilloog 11 Pcs Brain Teaser Puzzles for Games Educational Toys Wooden and Metal Puzzles 3D Puzzles Unlock Interlock IQ Puzzles Box for Adults Challenge Gifts (A Style)

Engaging and Creative Mental Exercise: experience an engaging challenge with these brain games that stimulate logic and creativity, ideal for passing time, fidgeting, and avoiding gadgets and electronics; They're a healthier way to practice focus and concentration; Can also be applied for fun party games Historical and Cultural Significance: wooden 3D brain teaser puzzle toy originated from ancient China which called Kong Ming Lock; Wooden game with interesting logical thinking and ideal for development of brain Sturdy and Safe Construction: metal coils are smooth and has NO SHARP EDGES for endless play without getting hurt; The links are made from heavy duty stainless steel that doesn't easily bend or break even when thrown or stepped on; Players can't force them open, so there is no chance of cheating Suitable for Age 14+: brain teasers benefit, engaging and fun for most ages, these educational toys set will challenge your intellect by stimulating nice creativity, and understand the inter structure; Mind will be sharpened enough to develop their problem solving capacity through reasoning, development of mental stamina, and boosting their self confidence, improve IQ and EQ Ideal Gift: a nice gift for any fan of creative thinking brain teaser puzzles; For every occasion, Christmas gifts, birthday gifts, office gifts and so on; Everyone can play the puzzles comfortably and enjoy different level of puzzles challenge