Wooden Model Kits: Caterpillar Crocodile Ocean Motion T-Rex Perky Porky Ballista Trebuchet Guitarist Drummer Woody Blues Dragon Model Kit Motor: Motor Kit Ride Drive Fully Assembled Models Punch and Judy	Mechanical Monkey Online Shop Ballistas Ballistas were used in Roman and Medieval times. The mechanism is like a giant Crossbow, but the tension is produced by twisted ropes. Ease of assembly: Size = 25cm x 18cm 14cm   + VAT Quantity: Motor Kit: Not applicable (UK delivery only £5.25 for any size of order) Online Shop Homepage | Shopping Basket | Checkout