Material: plasticSize: special sizeSuggested age: 4+Suitable scenes: outdoor or indoor camping trips and surveys 11. Outdoor adventure: Use this outdoor adventure toy set to provide your children with everything they want; 4x magnification binoculars, compass, notebook, butterfly net, magnifying glass, tweezers, insect container, and backpack, etc. 22. Teaching purpose: The exploration kit supports stemming learning and encourages scientific exploration and the love of nature; this will enhance their confidence when they explore the outside world. Very suitable as a researcher suit for children over 4 years old! 33. Easy adjustment: Pocket binoculars are suitable for every child's hand center adjustment, easy to adjust the focus, and avoid fatigue. Very interesting outdoor or indoor camping trips and surveys; catch the insects you are interested in; this may be the favorite thing for boys and girls. 44. Safe and durable: Our sturdy and durable design for young users ensures durability. The Kids Discovery Kit is the perfect companion for hiking, adventure, travel, vacation, zoo, or stadium! 55. Ideal gift: very interesting outdoor or indoor camping trips and surveys; catch the insects you are interested in; this may be the favorite thing for boys and girls, very suitable for childrens birthday and Christmas gifts.