Marble Run Building Blocks For Kids Unique Design Stem Toy Set For Toddlers, Girls, Boys Preschool Montessori Age 3, 4, 5, 6, 7, 8, 9, 10+ Great Learning And Teaching Gift For Birthdays

Material: Plastic, Acrylonitrile Butadiene Styrene
Age Range (Description): 3-99
Item Dimensions LxWxH: 12.2 x 3.15 x 9.84 inches
Educational Objective: Creative Thinking, Creativity, Teamwork, Focus, Problem Solving