42020 Twin-rotor Helicopter Technology Stevens calls you to the

Stevens calls you to the chalkboard to identify the different parts of the owl’s body

4" (12cm) long and 1" (4cm) wide • Sack truck measures over 1" (3cm) high and less than 1" (2cm) long and wide

then pull the rip cord to speed up the ramps and knock down the CHI

including computer screens and microscope

wildflowers

42020 Twin-rotor Helicopter Technology Stevens calls you to theGet your LEGO Technic model building off to a flying start with the 2 in 1 Twin rotor Helicopter. Featuring linked spinning rotors, an opening cargo door and cool rescue styling, this great model offers just the right level of challenge for first time builders. It also has a turning front wheel for easy maneuvering on the ground. Rebuilds into a single rotor helicopter.