Wards Essentials Trebuchet Kit, Material: High quality precision-cut Birch verner pure bond plywood, Designed to be safe and robust, Dry firings and heavy projectiles are no problem, Holes are pre drilled, Medieval weapons, engineering, and physics, Beam arm: 21in
Sail Car Activity single, Design and engineer a vehicle that is propelled by the wind, activity is perfect for early elementary, The Sail Car design allows students to quickly and easily experiment with sail shape, angle, and placement, furthest distance, travel the fastest
Sail Car Activity, Design and engineer a vehicle that is propelled by the wind. This activity is perfect for early elementary. The Sail Car design allows students to quickly and easily experiment with sail shape, angle, and placement, furthest distance, travel the fastest
Hero'S Engine - Eolipile, Functional Glass Model, Comprising A Borosilicate Glass Bulb 70 mm Diameter Approx, With Side Arms Bent At Right Angles. Complete On Stand But Without Burner, A Functional Glass Model Of The Earliest Form Of Steam Turbine
Deluxe Hydraulics Class Pack, Perfect for use in studies of levers and simple machines,design and technology units,engineering and invention units,fluid studies,science fair activities,engineering Design Process units.
Wheel Box, Junior Engineering, has assortment of wheels come in a handy divided utility case, Contains: mdf wheels, plastic dragter wheels, card disk wheels, super wheels, and dowel to be used as axles. There are 401 pcs in all.