Encourage your child to explore STEM as they get ready to learn about coding with these fun and colorful picture puzzles. Puzzlers practice STEM skills such as observing differences, step-by-step planning, spotting errors, attention to detail, and critical thinking . A range of puzzle types keep kids challenged and engaged, and offer something for everyone. For kids 3 to 6 years old . Spiral binding allows the book to lie flat for easy use. Answer key in the back. 128 pages.