No gunsmith or special tools required.  Follow the instruction and get it ready by yourself. 
The package includes 1491 pieces, 6 plastic projectile blocks and all essential accessories or parts that once are connected will give you a full functioning sniper rifle.  Apt for 14 years old children and plus.

Specifications:

• Color: Green
• Large Scale Technic Bricks Design: 41″ Long x 9.5″ Tall x 2″ Wide