Discover the power of hydraulic engineering with the Hydraulic Mechanical Arm Kit, an immersive STEM build that transforms simple principles into exciting hands-on action. Kids assemble the arm piece by piece and fill the hydraulic syringes to control movement, pressure and gripping strength—just like real industrial machines.

Once built, the fully functional arm can pick up, move and release objects using realistic water-powered motion controlled by hand levers. Builders can experiment with angles, pressure and load capacity to see how tiny adjustments affect performance, engaging curiosity and engineering thinking.

Designed for ages 8+, this challenging yet rewarding kit encourages persistence, problem-solving and interactive learning. It’s a standout choice for classrooms, homeschool STEM lessons, science fairs or aspiring engineers ready to grab hold of the future.

• Age Grade: 5+
• Product Dimensions: 9.45" L x 2.48" W x 8.46" H
• Material: See packaging
• Play Pattern: Hands-on STEM play
• Skill Development: STEM learning & fine-motor skills
• Care Instructions: Use clean water in hydraulic tubes and replace if cloudy or contaminated. Operate on smooth, stable surfaces and avoid picking up heavy, sharp or fragile objects. Wipe parts with a soft, dry cloth after use; avoid submerging mechanical components in water. Store in a cool, dry place and keep tubing free of kinks or bends. If storing long-term, empty water from syringes and tubing to prevent mold or mineral buildup. Adult supervision recommended during assembly and water handling.

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