3 in stock
We can transfer inventory between our Erin and Fergus stores when an item is out of stock for pickup at one location. Simply select your preferred pickup location during checkout. Order processing times may vary by location.
Build your own catapult, trebuchet, and windmill, then make 'em move! Learn early STEM skills from engineering and design to force, motion, and more physics fun, then tweak your machines to solve the tricky STEM challenges!
Ages 5+
