Building & Fitting Set of 4A great building and fitting set that is great for exploring STEM based learning or simply learning about construction in a fun and hands on way. Children can play with each of these sets individually or they can combine them together to create their unique designs. Kit includes: 1x Teachables STEM Frame Connectors 800 pieces (JYN34), 1x Teachables Bridge Building Sticks 480 pieces (JYN090), 1x Teachables Flexible STEM Rods & Discs 360 pieces (JYN81)