Old LEGO bricks at home? LEGO math build challenge to learn area and perimeter concepts, spacial reasoning, logic thinking, problem solving. fun STEM challenge with 50 challenge cards. Hands-on math game for kids learn geometry, great for math center, math club, after school practice. #LEGOchallenge #MathGame #LEGOmath #MathActivities #STEMactivities #STEMforKids #STEMeducation #iGameMomSTEM