Top Kidsy Deals & Price Drops for May 2026

This is a gently used item in good condition. Item may show some signs of use like minor scratches or minor stains. The box may show signs of wear or damage. Note: Product includes only 127 pieces. National Geographic Marble Run with Motorized Elevator (127 Pieces) is an engaging STEM building set that brings creativity and learning together through hands-on play. This exciting kit allows kids to design dynamic marble tracks while exploring concepts like motion, gravity, and engineering. The standout motorized lift keeps the action going by continuously carrying marbles to the top, creating a fun, looping run. With a wide variety of pieces, children can build endless configurations, making it perfect for curious minds who love experimenting and building. MOTORIZED LIFT SYSTEM: Elevates marbles nearly 20 inches high and releases them onto the track for continuous, looping action. ENDLESS CONFIGURATIONS: Encourages creativity with customizable layouts that can be rebuilt in many different ways. STEM LEARNING EXPERIENCE: Introduces key concepts like physics, motion, and problem-solving through interactive play. COMPATIBLE DESIGN: Works with other National Geographic marble run sets for expanded and more advanced builds. INCLUDES STORAGE BAG: Helps keep all components organized and easy to store after use. LEARNING GUIDE INCLUDED: Provides fun facts and helpful tips to enhance both play and educational value.

Brand new, open box item. The box may have some damage but the item is unaffected. Unleash hands-on creativity with the National Geographic 75-Piece Magnetic Marble Run STEM Set. This patented marble racetrack system lets kids and adults design exciting vertical courses on magnetic surfaces like refrigerators, lockers, or whiteboards. With a variety of tracks, trick pieces, and marbles, builders can experiment with speed, gravity, and motion while creating endless pathway combinations. Secure snap-fit connectors make assembly frustration-free, while the included learning guide introduces foundational physics and engineering concepts. Perfect for home or classroom play, this engaging STEM set transforms any magnetic surface into an interactive marble maze adventure. 75-PIECE COMPLETE SET: Includes 42 tracks and connectors, 17 trick pieces, and 15 marbles for limitless design possibilities. MAGNETIC VERTICAL BUILDING: Easily attaches to magnetic surfaces like fridges, lockers, whiteboards, and workbenches. DESIGN, BUILD & EXPERIMENT: Encourages creativity as kids test pathways, adjust layouts, and explore cause and effect. EASY SNAP-FIT CONNECTORS: Secure pieces connect smoothly to minimize frustration and keep the focus on building fun. STEM LEARNING GUIDE INCLUDED: Teaches basic physics and engineering principles through hands-on play and experimentation. AWARD-WINNING BRAND: Developed by Blue Marble, recognized for creating educational toys that inspire imagination and learning.