This STEAM project card uses a four bar linkage to create its leaping movement. Made from corrugated card, card and brass fastener joints, this makes a great starting point for exploring four bar linkage mechanisms.

Members can download the fully illustrated instructions by clicking Add-to-Cart. Non-members can join in the fun for £2.50 or equivalent, or why not become a member and download this and all the other projects on the site for free!