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A mechanical rope and pulley wheel hangs from a thick tree branch to hoist a wooden crate full of building blocks.
Deep in the sunny park, a wonderful building project was ready to begin! Two young engineers wanted to build a fantastic outdoor tower, but they ran into a big challenge. Their wooden crate was completely full of heavy building blocks—sturdy cubes, rounded cylinders, tall prisms, and smooth bridge arches. The crate was far too heavy for anyone to carry by hand.
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A cheerful robot with tank treads sits on a laboratory floor. It carefully uses its metal hands to assemble the wooden tracks of a giant, intricate marble run puzzle.
A cheerful mechanical robot carefully turns the brass handle of an antique phonograph, ready to play a classic vinyl record in the lab.
A helpful little robot with tank treads uses a metal watering can to care for a blooming potted tulip.
A friendly blocky robot with tank treads carefully uses its metal claws to assemble a giant puzzle-piece circuit board on a desk.
A helpful little robot sits at a science workbench, using tweezers to carefully repair the gears inside a pocket watch.
