Hicooo® | Wooden Marble Run Set

Build, test, rebuild, and discover — the Hicooo Wooden Marble Run Set is one of the most captivating STEM building block toys you can put in young hands. Featuring 80 wooden building blocks in a vibrant mix of colorful printed and natural wood pieces, plus 20 glass marbles, this wooden marble maze construction set transforms any flat surface into an endlessly reconfigurable track adventure.

Stack the blocks, design the route, drop a marble at the top — and watch it twist, turn, and race all the way down while triggering two height-adjustable bells and a musical sound staircase along the way. Every run sounds different, every build looks different, and every drop delivers a fresh moment of cause-and-effect discovery that keeps children aged 3 and up coming back for more. A reference building guide is included to spark starter designs, but the real magic begins when children start inventing their own tracks from scratch.

More than just a building toy, the Hicooo Marble Run naturally introduces gravity, momentum, spatial reasoning, and basic engineering principles through completely screen-free, battery-free hands-on play. Whether building solo, with a sibling, or alongside a parent, this open-ended marble run grows with your child's imagination — making it one of the most rewarding birthday, Christmas, or Easter gifts for curious boys and girls ages 3 and up.

• 100-Piece Complete Marble Run Set with 3 Sound Elements — includes 80 wooden building blocks in colorful printed and natural wood finishes, plus 20 glass marbles, two height-adjustable bells, and one musical sound staircase; as marbles roll through, they trigger satisfying chime and rattle sounds that add an auditory sensory dimension to every run — everything needed straight out of the box
• Open-Ended Stacking Track Design with Reference Guide — all 80 wooden blocks stack and layer in countless configurations; no two builds are ever the same; a printed reference building guide with starter track designs helps young builders get going quickly, while naturally inspiring increasingly complex marble maze layouts over time
• Hands-On STEM and Physics Learning — every marble run teaches core science concepts including gravity, momentum, cause and effect, and basic engineering through direct experimentation; designing a working track requires children to plan ahead, visualize pathways, and troubleshoot when marbles go off course — building critical thinking through trial and error
• Fine Motor Skills, Hand-Eye Coordination and Bilateral Dexterity — carefully stacking blocks, positioning sound elements, and placing 20 glass marbles strengthens grip, precision, and two-handed coordination in toddlers and preschoolers; smooth polished surfaces and rounded edges ensure safe, comfortable handling throughout play
• Collaborative and Solo Play — Non-Toxic and Child-Safe — equally suited for independent building focus and cooperative parent-child or sibling teamwork; develops communication, patience, and perseverance; all materials tested and certified free from harmful substances; varnish finish is safe and gentle on skin for children ages 3 and above

• Product Name: Hicooo Wooden Marble Run Building Set
• Age Recommendation: 3 Years and above
• Total Pieces: 100 pieces
• Included:
  80 wooden building blocks (colorful printed and natural wood mix)
  20 glass marbles
  1 reference building guide
• Marble Diameter: 0.6 inch
• Material: Quality wood, smooth polished finish, rounded edges, non-toxic certified varnish
• Developmental Benefits: Gravity and physics understanding, spatial reasoning, fine motor skills, hand-eye coordination, problem-solving, collaborative play, patience and perseverance
• Safety: Non-toxic, all materials tested and certified; smooth splinter-free surfaces
• Safety Warning: Choking hazard — glass marbles under 1cm diameter are small parts; not suitable for children under 3 years; adult supervision is strongly recommended at all times during play