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- Fun DIY physics toy
- 32000mm rails included
- Create yourself rollercoster like rails with 360-degree flip overs, steep drop and climbs, sharp high-G turns, etc
- Control speed, angle, timing by arranging your own railway
- Steel space balls
- Learn physics hands on!
- Endless rail design possibilities
- English and Chinese user's manuals included
- Elevator powered by 4 x C-size / R14 batteries
- Challenge level 5 (out of 5 levels in total)