Item Type: Model building boat Material: Composite wood Power Supply: 2pc AA battery(not include) 1PROBLEM SOLVING: This is a great way for your child to get started in robotics toy. Through the construction process, kids can also learn about problem solving. You will have all kinds of surprises. 2EASY TO PLAY: Includes detailed guides and instructions for even beginners can play. It is a great parent child building physics project and puzzle all in one. 3ENVIRONMENTAL FRIENDLY: Creating a safe game environment. It is also a perfect toy to encourage learning of mechanics and engineering in young children. 4LOGICAL THINKING: Develop manual dexterity, problem solving skills, improve logical thinking,self confidence and promotes the importance of teamwork and collaboration. 5IDEAL GIFT: They are non toxic and made of real wood and tested safe materials. Great toys for boys gift for birthday. Enhance your children's science, technology, engineering, and math skills. 2 x Double Sided Adhesive 4 x Gear 1 x Iron Bar 1 x Motor 1 x Glue 1 x Foam 2 x Board 1 x Battery Box 2 x Wire