The kits come with different building levels, from simple to complex. The Ciro robot toy sets are sold by Amazon. You can order the 12-in-1 solar robot kit for $27.

This 12-in-1 solar powered robot STEM kit is a great way to engage kids in science and engineering and is a massive 35% off on Amazon ...

The 14-in-1 Educational Solar Robot Kit is priced at US$31.95, or roughly $2.28 per way to chase the cat. Which one is your favorite? Judge for yourself in the video below.

Ciro 12-in-1 solar-powered robot kit: $26.99 $21.59 at Amazon, Save over $7: Build up to 12 different types of solar-powered robots with this kit!

Green Science 3-in-1 Mini Solar Robot Science Kit - was £21.99, now £13.97 at Currys ...

I don't usually do toy reviews, but the new 6 in 1 solar robot kit from Red5 is pretty cool. It's a transformer (note the lower case t), it's solar powered, and it's a robot you can reliably build ...

The Discovery Kids Mindblown STEM 12-in-1 Solar Robot Creation 190-Piece Kit ($29) will keep them busy and encourage them to solve complex puzzles.

On Irene Tham's wishlist Pokonboy 13-in-1 Solar Robot Creation Kit ($41.33, buy from Amazon) Nothing excites a child more than being able to build a toy that moves.