Here is a interesting "Solar Robot Kit" recommended to everyone!

The product is a material kit(with box package), it needs to be made by yourself.

Using solar panels to generate electricity,no batteries needed, low carbon and environmental protection
As a educational toys,this is a great way for child to get started in robotics toy.
With this kit,you can assemble a variety of different robots
Different DIY robots:Starting from entry level for younger child to advanced level,for older child to challenge their manipulative skills.