Katinka's got a need for speed! Her candy-coloured dream racer has spring-loaded action that will send this pink dolphin racing.Kids learn to construct Katinka's car while improving spatial reasoning skills and focusing on propulsion engineering principles.New craft + construction pieces, plus a Katinka figurine! Includes 6 mini axles, 1 short axle, 1 XL flexi-axle, 13 spacers, 4 washers, 1 spring, 3 coupler joints, 1 star coupler, 5 wheel ends, 3 wheel ends, 10 paper pieces, and 1 Katinka dolphin figurine.This kit is compatible with all GoldieBlox toys.For ages 4 and up.GoldieBlox toys are designed to get girls building by tapping into their strong verbal skills, bolstering confidence in spatial reasoning and problem-solving, and encouraging creativity through stories and hands-on construction.Purchase of this toy provides access to a multitude of videos at bloxtown.com, where girls can learn and become inspired to build even more.New videos are added every single week! PLEASE NOTE: Avalanche Brands is the only approved seller of all GoldieBlox products.Sets from other sellers will NOT be covered under warranty.