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
Catapult kit to explore force, acceleration, Hooke's law, parabolic trajectories by building and testing a fully-functional catapult. Contains catapult base, sides, lever arm, rubber bands, screws, dowels, hook, ping-pong ball. Aids in conceptualization of abstract mathematical ideas
Air Blower with Hose - 220V, Can be used in the Home, Barn, garage or work shop, This blower is specifically designed for laboratory use. It give constant pressure at low noise levels. Dimensions: Weight (lb)6.0xLength (in)14.0xWidth (in)8.5xHeight (in)8.5
precise project launcher, 16 mm steel balls at ranges suitable for use on the bench top or from the bench to the floor, protractor and plumb line make it easy to set any required launch angle from 45 deg downwards to straight up
Second Law Of Motion Apparatus, 25 Cm Long Unit Has A 10 mm Rod. It May Be Horizontally Clamped To A Support Stand Or Table Clamp. Complete With Two Steel Balls, Substantial Metal Casting And The Entire Mechanism Is Visible, The Spring Gun Offers Two Tensions