Suzanne Barchers 
Viajemos en tren [PDF ebook] 

Find two-dimensional shapes while traveling on a train! This enjoyable title, that has been translated into Spanish, teaches children about geometry, encouraging them to discover familiar shapes like circles, triangles, and rectangles all around them. This book also challenges young readers to learn new STEM skills and geometry terms like octagon, parallel, and vertices! Find circles on the train’s wheels! Find parallel rectangles on train tracks! Vivid images, clear examples, and helpful mathematical charts all simplify geometry and encourage children to find new geometric shapes all around them!