KnuckleStrutz construction toys encourage building skills and expand the imagination
70 Pieces
2 in 1 Model
Helicopter with spinning propeller
Builds - Stealth Flyer or Sky Chopper
Soar through the skies with the KnuckleStrutz ® Stealth Flyer and Sky Chopper! This 70 piece building set comes with instructions for the complex but sleek Stealth Flyer and the Sky Chopper helicopter with spinning propellers.