Protech - Now available in new YELLOW look

Sale price Price $139.99 Regular price $199.00 Unit price  per 

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A copy of the workbook is included in every purchase

Great replacement of Perfect series

As combinations between gear capsules with various functions are changed, it enables the user to observe how the turning force and directional nature are changed and also to experience the process of how the solar heat is converted to electric energy. 


All of IQ-Key’s parts are made of non-poisonous material including Polycarbonate, the material used in baby nursing bottles. (Certified by ASTM, CPSIA, EN71, CCC)