Marble-Palooza 38-Piece DIY Marble Run

Spark your child’s creativity and problem-solving skills with the B. toys Marble-Palooza, a 38-piece DIY marble run and STEM building block set. Designed for kids ages 3 and up, this colorful educational toy includes 8 marbles and 30 interlocking tubes, tracks, and loops that snap together in endless configurations. As children build, test, and watch the marbles race through twists and turns, they naturally develop fine motor skills, hand-eye coordination, and early cause-and-effect reasoning.