Robotime - Leonardo da Vinci's Helicopter Mechanical 3D Puzzle spo-disabled 2x Metal Shield Bearings 7x14x3

2x Metal Shield Bearings 7x14x3

Use with the NC-20 nose cone

Hot Racing steel universal center joint axles for the Axial SCX Jeep and C-10 chassis

HPI Apache SC

Rear Width: 180mm (7")

Robotime - Leonardo da Vinci's Helicopter Mechanical 3D Puzzle spo-disabled 2x Metal Shield Bearings 7x14x3Be inspired to invent and create with the ROKR Leonardo da Vinci's Helicopter, a DIY puzzle kit based on the genius's 15th century ideas of a flying machine. The brilliant engineer and inventor Leonardo Da Vinci's sketched flying machines long before the technology or the materials to make this possible were invented. Today, ROKR brings this vision to life with the Leonardo da Vinci's Helicopter, a mechanical 3D puzzle that features double helix