3D thinking game. Recommended for ages 6 and up. Playing time: 20 minutes. For two players. Arrange stones correctly horizontally, vertically, or diagonally. Made from wood. Dimensions: 13 x 13 x 8.5 cm. The 3D Tic Tac Toe works like the classic "Connect Four." Four stones of the same color must be aligned horizontally, vertically, or diagonally. It's not so easy when you have to think in 3D. GoKi. "Whoever takes something from nature must also give something back," which is why Gollnest & Kiesel, known as GoKi, plants a new forest every year in the state of Schleswig-Holstein, which has the least forest cover - one tree for every newborn child. More than 400,000 beech, oak, and maple trees have been planted since 2004. Only wood from sustainable European forestry is used, and they are working to make as many products as possible circular, that is, cradle-to-cradle. Gollnest & Kiesel is also socially engaged worldwide, creating schools in developing countries where children get the chance for education. It goes without saying that no GoKi toy is made by children: "We make toys for children, not by children." In GoKi's own factory in China, Western standards for occupational safety and security are maintained. Toys should be fun and safe. To ensure the highest safety standards, the GoKi quality management team constantly tests all products in their in-house laboratory. External testing institutes also regularly examine GoKi products through extensive testing. German Sustainability Award 2024. As the first toy company, GoKi is awarded the "German Sustainability Award 2024" - The jury particularly honors the company's long-standing commitment to reforestation and its social engagement.