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243_Legomaster_01.qxd 4/18/03 6:51 PM Page 11

Stair-Climber • Masterpeice 1 11

If you opt to build the Stair-Climber using the wider alternate wheel sets, you will
need the following parts.

This version is slightly stronger owing to the triple sandwich of the tri-beams. If you
opt to build the Alternate Wheel Set sub-assembly, rather than the standard Wheel Set
sub-assembly built earlier in the chapter, you will need to build four of these.

NOTE
Fear not, if you opt to build the Alternate Wheel Set sub-assembly, there are no
changes to any of the other sub-assemblies in the Stair-Climber. The Frame sub-
assemblies, and the Final sub-assemblies are compatible with either version of
the Wheel Set sub-assemblies.