Kids learn essential STEM skills every time they trigger a crashing domino run with this fun entry in our STEM toys for kids! Solve STEM Challenges: This set includes a guide filled with fun STEM challenges for kids that grows with your kids' skills!, Tumbling, Toppling Action: As kids use their dominos to send balls sliding down the slide or spinning through the gate, they'll observe kinetic forces, cause-and-effect, and more!, Give the Gift of Learning: Whether you're shopping for holidays, birthdays, or just because, STEM toys for kids from Learning Resources help you discover new learning fun every time you give a gift!, Ages and Stages: Specially designed with little ones in mind, our STEM toys for kids helps kids as young as 5 build critical thinking, problem solving, and other essential STEM skills! WHAT'S INCLUDED: 45 dominoes, 14 building components, and STEM challenge cards. Imported, Wipe clean, Model no. LER9309, Age: 5 years & up, Plastic, cardstock, 8.62" x 7.3" x 2.83". Gift Givers: This item ships in its original packaging. If intended as a gift, the packaging may reveal the contents. Size: One Size. Color: Multi. Gender: unisex. Material: NONE.