ModelSB08ET60-61103587950 Students DIY Wind Vane Model Kit Develop Children Curiosity Creativity Direction Science Experiment Educational Toys Kids Children Wind Vane Model DIY Direction Experiment Kit Student School Technology Scientific Educational Toys Features: Experimental Principle: Wind Direction, Wind Speed, understand the Formation of Wind. Learning Target: 1. Measurement of wind speed and direction 2. Definition of wind speed 3. Wind speed law 4. Wind level Specification: Material: EVA + Plastic + Wood Size: 160 X 80mm/6.3 X 3.15" Recommended Age: 6Y+ Ability Development: Intellectual Development, Mind and Hands, Interest Development, Hand-Eye Coordination Notes: 1. The product is NOT Including glue, please prepare for yourself! 2. This product is NOT Including battery. The color of the accessories is random, no color specified. Please read carefully before purchasing. 3. It Contains small accessories and sharp objects, children need to be accompanied by adults, please take care of children to avoid swallowing. 4. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 5. Please allow 1-3mm measuring deviation due to manual measurement. 1 X Wind Vane Model Kit