ThinkFun Laser Maze Junior (Class 1 Laser) Logic Game and STEM Toy - Award Winning Game for Kids WHAT YOU GET - A fun logic game and STEM toy with a real class 1 laser and 40 challenges. Laser Output is &lt;0.39Mw max output at 635-670. CLEAR INSTRUCTIONS  Easy to learn with a clear, high quality instruction manual. You can start playing immediately! DEVELOPS CRITICAL SKILLS - Teaches angles and optics to early learners through fun, exciting gameplay. COMES WITH MULTI-LEVEL CHALLENGES - Laser Maze Jr. comes with 40 beginner to expert challenges that become increasingly difficult as you play through them. AWARD WINNER - Parents Choice Gold Award, ASTRA Best Toys for Kids Award, Toy of the Year Finalist in 2016 and more.