Learning Resources Dive into Shapes! A “Sea” and Build Geometry Set. This seathemed set provides an engaging early introduction to geometry. Early learners combine durable plastic sticks and curves to build 2D and 3D shapes. Set features soft pieces, including simple connectors and unique curves for making circles and cylinders. This early Geometry set includes 80 sticks and curves in three sizes, 40 connectors (two different types) and 15 colourful doublesided activity cards. Sticks and curves measure 5.5cm, 8.75cm and 13cm. Connectors measure 2.5cm. Cards measure 10cm x 15cm. Suitable for ages 6+