Our NEW 22 piece set contains uniquely rounded triangular pieces that when joined side by side created a perfect half circle on a base built from two trapeziums. The shape can be expanded to a full sphere or ball shape if desired. The shapes allow endless build options with the dome pieces being able to be used individually or together. This unique and exclusive set to Learn & Grow Toys will add a new level of magnetic play to your creations. Build boats, balls, rocket ships, monuments, fortresses and more! The possibilities are endless with this new exclusive curved triangle design.