DIY STEM Gravity Crane Toy Kit – Mechanical Pulley & Winch Science Experiment, Construction Engineering Rig for Kids

Description

Build a Working Construction Crane on Wheels!

Inspire curiosity with the Baohe STEAM DIY Gravity Crane Kit. Designed specifically for young learners, this vibrant, hands-on construction project introduces kids to fundamental physics—showing how gravity, counterweights, and pulley lines work together to hoist loads.

Kids easily press and slot the colorful, pre-cut puzzle-board panels together to assemble a sturdy crane truck chassis complete with rubber-tread rolling wheels and friendly builder characters. Once the high-lift boom and pulley lines are rigged, they can test real gravity-driven motion right across the floor.

What Young Builders Will Learn:

• Gravity & Potential Energy: Discover how falling counterweights and gravitational force turn stored potential energy into active lifting motion.

• Pulley & Cable Mechanics: Understand how high-mounted guide pulleys redirect line tension to hoist objects vertically.

• 3D Spatial Construction: Follow slot-and-tab alignment to turn flat printed sheets into a dimensional, multi-part mobile machine.

• Independent Problem Solving: Build confidence through frustration-free, hands-on tinkering.

Key Features:

• 100% Glue-Free & Tool-Free Assembly: Interlocking snap-fit structural plates piece together cleanly without scissors or glue.

• Rolling Mobile Chassis: Features 4 real rolling textured wheels so kids can drive their crane around after building it.

• Vibrant & Kid-Friendly: Full-color illustrated construction panels featuring playful cartoon builder graphics.

• Safe & Screen-Free: Lightweight composite puzzle-board pieces designed with smooth edges for safe little hands.

What’s in the Box:

• Pre-Cut Color Printed Structural Puzzle Sheets (Chassis, Cab, & Crane Boom)

• 4x Low-Friction Rolling Wheels & Wheel Axles

• Pulley Guide Wheels & Hardware

• Braided Hoisting Rig Line

• Gravity Weight / Cargo Component

• Step-by-Step Illustrated Guide

Specifications:

• Brand / Series: Baohe STEAM DIY Series

• Recommended Age: 6+ Years

• Assembly Level: Easy Assembly (Level 1)

• Assembly Time: 20–40 minutes

• Power Source: 100% Gravity & Mechanical Power (No batteries required)