Mould King 17077 Hydraulic Log Grapple Trailer Building Set - 866 PCS STEM Construction Toy for Kids & Adults | Perfect for DIY Projects, Engineering Education & Creative Play

This model features a compact hydraulic grapple truck. Its tracked base ensures stable support on rough ground.

The long arm extends and lifts with mechanical controls. Each lever at the rear triggers a specific movement.

The claw opens and rotates using clever linkage. It simulates real log grabbing operations with fluid motion.

Built from 866 pieces, this set stands 12.7 inches tall. A satisfying model for engineering fans and tinkerers.

No motors or remote functions included. Manual controls provide a hands-on building and learning experience.

Key Features:

• 12.7” (32.2 cm) Tall
• 866 Pieces
• Fully Manual Hydraulic-Style Functions
• 4 Control Levers with Linkage Mechanisms
• Rotating and Grabbing Log Claw
• Rubber Tread Tracks for Realistic Movement
• No Remote or Power Pack Required
• Building Instruction Manual Included