STEM 探索者彈珠跑者

BUILD, test, and tweak your own STEM marble runs!
LEARN critical thinking, engineering and other kindergarten STEM essentials!
10 STEM CHALLENGES included!
SELF-ADHESIVE cling-back pieces require no permanent adhesive!
GIVE THE GIFT OF LEARNING: Whether you’re shopping for holidays, birthdays, or just because, toys from Learning Resources help you discover new learning fun every time you give a gift! Ideal gift for Halloween, Christmas, Stocking Stuffers, Easter Baskets Stuffers or even for Homeschool.