Sol Expert Solar & Hydraulic Robots
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At a Glance
Battery-free solar and hydraulic drive
The mechanism requires no batteries, but relies on direct sunlight or hydropower for movement.
Educational value for beginners
The learning kit is aimed at beginners aged 8 and over, but requires adult assistance with assembly for younger children.
Transformable construction kit
The plug-in components can be assembled into 12 different robot or animal models and taken apart again.