UGEARS 70029 U-Fidgets Tribiks Puzzle Pieces Set with 4 Models Anti-Stress 3D Puzzle Self Assembly Kit 4 Mini Miniature Model Mechanical Models Plywood Construction Kit UGears U-Fidgets Tribiks is great for therapy. Are you losing control, having anxiety issues? Then this set of 4 unique individual miniature models of U-Fidgets tribiks with 4 tribiks in each set is made for you. You can use them to organize your thoughts and ideas, drive new insights, relieve stress, and regain control over your emotions. They are small enough to fit into your pocket or purse so they can become your daily companion to be used for therapy when any awkward situation arises. Features A unique set consists of 4 separate miniature models for self-assembly and is suitable for adults and children aged 5 to 80 years. The set includes four small models: tractor, cat, head and heart. Each model carries a specific idea and deals with basic elements of mechanics such as movement of bodies, forces and their effects. The powerful motor and the size of the tractor is a symbol of power, the cat embodies the freedom, the head represents the mind, intelligence and wisdom, and the heart, the 4th Fidget Tribiic shows enthusiasm and passion The fidgets aircraft set is made entirely of high quality plywood. All parts are pre-cut and easy to remove from the board. Each model is simply assembled as a puzzle without glue and tools, as instructed in the instructions with colour illustrations. The fidget is said to relieve stress, organise your thoughts and generate new ideas. Each model can also be used as a key ring and is a wonderful gift for your relatives, friends and colleagues. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.