Marble Squad LG502 by Rokr
4.2 (76 items)
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Product details
| Management number | 213297579 | Release Date | 2026/04/12 | List Price | $36.00 | Model Number | 213297579 | ||
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This captivating marble run, a Waterwheel Coaster, offers descending tracks and steps for endless steel ball fun. Rotate the handle to set the balls in motion. Based on human engineering, it combines science and machines, featuring numerous small gadgets. Build it, crank the handle, and watch marbles race down slopes and twists. Includes 239 pieces, takes about 6 hours to assemble, suitable for ages 14 and up. High-quality wood construction, with a solid base and fine, durable basswood. Customized parts ensure durability, and precise laser cutting guarantees a perfect fit. Clear instructions and an assembly video make building a breeze. It's a rewarding, brain-exercising activity that makes a fantastic gift.
- Gravity Force: mg
- Potential Energy Change: mgh2 - mgh1
- Mass Calculation: p/π
- Moment of Inertia: w1/w2 = n1/n2 = z2/z1 = d2/d1
- Weight Ratio: Wa/Wb = Na/Nb
- Customized Parts for Durability: ROKR R&D team's preference
- Global Sourcing for Adaptive Parts
- Precision Laser Cutting: Error controlled at 5um
- Assurance of Perfect Fit: All parts and bayonets
- Basswood Selection: From northern cold zone for strength
- Wood Grain Quality: Fine, uniform, lustrous, layered, resistant
| Brand Name | Rokr |
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| Unit Count | 239.0 Count |
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