Robot Explorer classes are developed to engage and motivate elementary students interest in learning science- and engineering-related subjects. This is done through the use of motorized LEGO models and simple programming. The LEGO WeDo 2.0 Robot Explorer class is a hands-on STEM solution that combines the LEGO brick, friendly software and engaging projects. We use a hands-on approach to design, build and program a simple robots. Our class enhances students curiosity, logic skills and problem-solving strategies.