Adopting solar-powered and battery-powered design, the robot toy can be operated day and night for more convenient experience. Designed with cute dog and cow shape, the robot toy can stimulate children's interest to help improve their hands-on ability, learn and understand the principle of cone mechanical transmission and connecting rod transmission, and the principle of photoelectric conversion. It is made of electronic component and ABS material, which is wear-resistant and durable. There are 2 different styles for you to choose. Front and back body activities are designed with bionic concept, and the image is real. And it is a good gift for children and student. Item Name: Electric Assembly Robot Toy Material: ABS,Electronic Component Power Source: Solar, 2 x AAA Batteries (Not Included) Ability Training: Emotion, Vision, Intellectual Development, Manual Brain, Grasping, Sensory, Hand-eye Coordination, Other Ability Training, Interactive Toys, Hearing, Parent-child Communication, Interest Training Features: Educational, High Simulation, Good Craftsmanship Size Details: Style A Size: 12cm x 7.5cm x 6cm/4.72" x 2.95" x 2.36" (Approx.) Style B Size: 14cm x 9cm x 8.5cm/5.51" x 3.54" x 3.35" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Electric Assembly Robot Toy 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia