The Gearphun Junior Chains Add-on has 75 piece set 42600 is designed for a table of eight children. It is supplied in a plastic bag with 4 A3 Instruction sheets, each with incremental levels of difficulty. It can make any one of the models in the Instructions or in the optional Gearphun Chains guide book and two or more of some smaller models. Gearphun is an award winning product, see our awards page for more details.
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