NATIONAL GEOGRAPHIC Magnetic Marble Run - 75-Piece STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces & Marbles for Building A Marble Maze, STEM Project (Amazon Exclusive)

ThinkFun Gravity Maze Marble Run Brain Game and STEM Toy - Award-Winning Educational Toy for Kids 8+ | Spatial Reasoning Skill Development | Engineering and Building Game | 60 Logic Puzzles

NATIONAL GEOGRAPHIC Glowing Marble Run – Construction Set with 15 Glow in The Dark Glass Marbles & Storage Bag, STEM Gifts for Boys and Girls, Building Project Toy (Amazon Exclusive)

National Geographic Marble Run with Motorized Elevator - 150-Piece Marble Maze Kit with Motorized Spiral Lift, 30 Marbles, Storage Bag & More, Perpetual Motion Machine, Marble Game, Kids Physics Toys

Gecko Run Marble Run Starter Set by Thames & Kosmos, Toy of The Year Finalist - 63 Piece Vertical Marble Run, Flexible Tracks | Fast, No-Mess Setup, Residue-Free Nano-Adhesive Pads, Creative Play

JOYIN 236Pcs Glowing Marble Run with Motorized Elevator- Construction Building Blocks Toys with 30 Glow in The Dark Plastic Marbles, STEM Gifts for Boys and Girls

Marble Genius Marble Run - 150 Complete Pieces Maze Track Christmas Toys for Adults, Teens, Toddlers & Kids Aged 4-8 Years Old, (85 Translucent Marbulous Pieces + 65 Glass-Marble Set), Super Set

PicassoTiles Marble Run 100 Piece Magnetic Tile Race Track Toy Play Set STEM Building & Learning Educational Magnet Construction Child Brain Development Kit Boys Girls Age 3 4 5 6 7 8+ Years Old Toys

Meland Marble Run - 132Pcs Marble Maze Game Building Toy for Kid, Marble Track Race Set & STEM Learning Toys for Boy Girl Age 3 4 5 6 7 8 9+ (102 Translucent Marbulous Pcs & 30 Glass Marbles)

JOYIN 150Pcs Glowing Marble Run- Construction Building Blocks Toys with 5 Glow in The Dark Glass Marbles, STEM Educational Building Block Toy