• 【Innovative Elevator Marble Run Lift Mechanism】This ingenious vertical transport system transforms the marble racetrack from impressive to MESMERIZING! Viewers thrill to the perpetual ascent and descent of spheres in a self-sustaining cycle, guaranteeing nonstop motion in this gravity-defying spectacle.
• 【219PCS Large, Sturdy and Higher Quality All-Inclusive Marble Run】Made with more durable ABS materials and compatible with regular tracks size, our marble run set can survive generations of vigorous play. Smooth edges avoid scratching hands. Pieces stay tight, not easy to get loose when play with it! Tested for Children's safety.
• 【Glow-in-the-Dark Elevator Marble Run】Watch marbles run set glow as they race! Turn off the lights and see with magic. Perfect for nighttime fun, this set makes marble game a glowing adventure. Need 2 * AA batteries (batteries not included)
• 【STEM Learning & Critical Thinking】Build & Experiment with Gravity, Motion & Problem-Solving – A Fun STEM Toy for Curious Kids! Precision Play for Little Hands! Improve Hand-Eye Coordination & Dexterity with Interactive Marble Challenges.
• 【Screen-Free Creative Play/ Family Bonding & Collaborative Fun】Unplug & Imagine! Endless Marble Run Designs to Boost Creativity & Reduce Screen Time.Play Together, Learn Together! Multi-Age Marble Runs for Siblings & Parents to Share Quality Time.
• 【Safe & Durable Investment Building Blocks Toys Marble Race Track】Built to Last! Non-Toxic, Child-Safe Materials Crash-Resistant Design for Years of Play.