Our Books and CDs:
 The Big Book of Catapult and Trebuchet PLANS! $24.95 - more info |
 Trebuchet Plans on CD $9.95 - more info |
 Torsion and Tension Catapult Plans CD $8.95 - more info |
 Catapult Design, Construction and Competition $19.95 - more info |
Our complete line of kits:
Easy to assemble, display quality and fully functional solid hardwood model kits manufatured in the USA by RLT Industries, New Braunfels, TX.
 Snap-Tight Trebuchet $24.95 - more info |
 Mini Floating Arm Trebuchet $29.95 - more info |
 The Mini Trebuchet $39.95 - more info |
 The Desktop Trebuchet $49.95 - more info |
 The Science Project Experiments Catapult Kit $59 - more info |
 TK3 Model Trebuchet, Hobbyist Version $69 - more info |
 Floating Arm Trebuchet ™ - Hobbyist Version $179 - more info |
 Floating Arm Trebuchet ™ - Competition Version $149 - more info |
 The Stirling Warwolf Trebuchet $179 - more info |
 X-treme Onager $59 - more info |
 Greek and Roman Ballista $89 - more info |
 The Desktop Onager $34.95 - more info |
 The Ferris Wheel $89 - more info |
 The Rubber Band Shooter kit $14.95 - more info |
 Leonardo DaVinci's Cam Hammer $34.95 - more info |
 Medieval Battering Ram $39.95 - more info |
 DaVinci's Ball Bearing Machine $34.95 - more info |
 The Compound Gear Train $24.95 - more info |
 The Lever Paradox $34.95 - more info |
 Perpetual Motion Machine $149 - more info |
 The Chinese South Pointing Chariot $69 - more info |
 The Chinese South Pointing Chariot - Easy Assembly Version $49 - more info |
 Leonardo DaVinci's Self-Supporting Arch Bridge $29.95 - more info |
 The Warren Truss Bridge $44.95 - more info |
 The Cable-Stayed Suspension Bridge $69.95 - more info |
 The Warren Truss Bridge, Long Version $59.95 - more info |
 The Catenary Arch $44.95 - more info |
 Earthquake Tower $69 - more info |
 Retro-Rocket $59 - more info | |||