This Nature Sudoku Challenge will allow your child to enjoy the beauty of nature pictures while using their critical thinking skills to solve the puzzle.

Believe it or not, pine trees and ginko trees have different shaped leaves. See the shapes for yourself and match each leaf to its correct tree.

Get students in a planet-friendly mindset with this Earth Day-themed logic puzzle!

Embrace Earth Day with this classic number puzzle for third through fifth graders!

Coordinate an Earth Day volunteer event with this middle-grade logic puzzle!