SmartLab Toys Weird and Gross Challenge Any one of 1,000 questions is randomly chosen to challenge one player of create a 2-player game Kids draw and answer questions from the book using the game component, which also reports the score at the end of a 10-minute challenge Kids will love that parents and teachers endorse taking the SmartLab Challenge This electronic way to build knowledgeand confidenceproves it's fun to be smart Science becomes an adventure