12 In 1 Solar Power Building Blocks Educational Toy Kit Dynamic Mechanical Blocks Toys Description: Model: A: Fighter(376 pcs) B: Apache(365pcs) Material: Plastic Package size: 38.5* 29* 8cm Feature: - This item is from the series of solar power building blocks, which is also used as teaching aids. - You will build every model with one or two solar panels. When you put the model under the sunshine, the panels will change the solar power to provide power for the mechanical movements of the models. - When you put the models inside the house without sunshine, you can also put the batteries in the batteries cases, which will also provide the power for the models. - The movement of the models will provide very good chances for the kids to observe and learn the simple principle of mechanics. Caution: Small part, not suitable for children under 6 years old Package Included: 1x solar power toy kit 2x solar panel 1x motor 2x battery box