PATHFINDERS STEM kit Roman Ballista ♦The motorcycle is realistically depicted

♦The motorcycle is realistically depicted and features an ergonomic parts breakdown

the Marder has proved a resilient and adaptable vehicle

4-step rear stepwells with see-through steps

one of the greatest villains

PATHFINDERS STEM kit Roman Ballista ♦The motorcycle is realistically depictedThe ballista was a powerful weapon originally invented by the Greeks over 2000 years ago and widely used by the Romans in battles and sieges. Using the stored energy in twisted sinew the ballista helped the Roman Empire take on and conquer countries all over Europe! Based on drawings and written records (but not here say we only use facts in our historical kits!), this Ballista re creates the way in which torsion powered weapons worked, and can fire