The Ugears Hurdy-Gurdy comes with everything needed for assembly. All the pieces are precut into the plywood boards and are easily removed for assembly following the detailed instructions provided. The only non-wood parts, by necessity, are the two strings that rub against the crank powered wheel and the rosin used to wax it. Estimated assembly time of the Ugears Hurdy-Gurdy is 4-5 hours for beginners and less time for professional builders. Assembles without glue or special tools and without toothpicks.