K'NEX Son of Serpent Roller Coaster428/9803

  • £499.99*
  • Save £140.00Was £639.99

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About this product

The wait is finally over! This absolutely HUGE model is built entirely from over 5,500 Classic-K'NEX pieces including rods, connectors, and 53 feet of original tube-style track. Measuring 8x5x6 feet and including three K'NEX motors, this enormous coaster sends five sleek cars filled with 14 patented K'NEXmen figures hurtling down the track. Intended for serious builders ages 16+. AC power adaptor included, 2 AA batteries required, not included.

The ultimate coaster challenge with 53+ feet of original tube track!

Over 5500 all-classic k'nex pieces.

5 coaster cars and 14 k'nexmen figures.

This huge roller coaster when built is 8 feet length by 5 feet height by 6 feet depth!

Recommended for builders 16+.

  • One supplied.
  • Size H33.02, W41.91, D52.07cm.
  • Batteries required: 2 x AA (not included) plus .
  • For ages 16 years and over.
  • EAN: 0744476522429.


  • Not suitable for children under 3 years old.
  • Only for domestic use.

The small print

*Prices correct as displayed but are subject to change.