Step into a world of eco-friendly puzzling with the Ecological Multipack from Project Genius. This unique assembly and disentanglement brainteaser set is perfect for those seeking a mental challenge while also caring for the environment. Crafted from high-quality wood, these brain teasers offer a level 2/5 difficulty, making them suitable for puzzlers of all skill levels. Unleash your problem-solving skills as you navigate through intricately designed puzzles that will keep you entertained for hours on end. Whether you're a seasoned puzzler or just starting out, the Ecological Multipack is sure to ignite your excitement and leave you craving for more brain-bending fun.