This is interesting DIY toy for child playing, using sturdy and durable material, drop-resistant and durable, wear resistance. With simple appearance, ABS, metal material, durable for long time use. A great gift choice for your child. Features -Color:Khaki -Material:ABS, metal -Size:15.00X11.00X5.50cm/5.89X4.32X2.16in -Note: power supply is 2 x 1.5V AA battery(not included) - The toy, a children's intelligence game toy is designed to enhance concentration and foster the development of thinking skills. - Provides an engaging and interactive experience for children, helping them to improve their ability to and solve problems. - Through the challenges and the exciting game, children are encouraged to think strategically, and make quick decisions. - Crafted from ABS, metal materials, prioritizing the well-being and safety of children. - Encourages students to engage in hands-on creation of technological projects, which helps them to develop their creativity and problem-solving skills. Package list: 1 x set of DIY Experiment Supplies