Features:
- 239-piece STEM adventure
- Precision-cut wooden parts assemble into a 210 × 160 × 180 mm marble-run skyscraper-no glue or tools required.
See physics in action
- Double-lift ball device, 8-shaped spiral track, lever pass-bridges and roller stops turn gravity, momentum and gear ratios into an eye-catching kinetic show.
Hands-on engineering for ages 8+
- Boosts spatial reasoning, patience and problem-solving while delivering the joy of building a working machine.
- Premium, eco-friendly materials
- Laser-cut birch plywood pieces fit perfectly, feel smooth and stay durable for years of classroom or playroom use.
- Ready-to-gift "wow" factor
- Clear step-by-step manual, numbered parts and pre-installed steel balls make assembly frustration-free-perfect for birthdays, holidays or science-fair projects.
What's in the box
239 × Puzzle Pieces
7 × Steel Ball
