Goobi 202 Piece Master Construction Set with Free Carrying Case and Instruction Booklet | Assorted Colors Awards: Creative Child Magazine Top Toy of the Year | Seal of Excellence | Creative Play of the Year | Preferred Choice Award Goobi 202 contains: 112 bars, 62 iron balls and 28 tripods Valuable kit for a STEM learning curriculum Ergonomic design of Goobi bars insuring easy grip Comes with a free carrying case and 32 page illustrated instruction booklet, also available online.