Features: Made of wood, it is exquisitely crafted, sturdy and durable, with a round and smooth surface-, no burrs on the edges. Help children understand the periodic sequences and related knowledge of animals, plants, and insects- in nature. The puzzle tray can be combined with simulated animals, cards, pictures of animals and plants, specimens or leaves collected from nature, etc. It is simple and easy to use, making learning more interesting. This is a perfect teaching and learning aid tool, where children can improve their learning, cognitive, imagination, and thinking abilities while playing game, and explore more mysterious things. Can be used for school science stations, parties, teaching aids, storytelling, kindergartens, and interactive game. Specifications: Material: Wood Size: As Shown 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. Package includes: 1 Set Life Cycle Science Learning Puzzles