Guidecraft Unit Block Marble Run – 40 pc. Set: Rubberwood Education Learning Blocks, STEM Toy for Girls and Boys

Features

• Marble run features rubberwood blocks scaled to standard Unit Blocks and 4 starter acrylic marbles
• Children will practice building, explore physics, and learn architectural relationships
• Set can be rearranged in multiple marble run designs
• Expand possibilities for constructive play using standard Unit Blocks (sold separately)
• Set includes 36 blocks (2.75″ wide, scaled to coordinate with standard unit blocks), 4 acrylic marbles and 10 double-sided inspiration cards. Ages 3+