Thames & Kosmos (T & K) was founded in 2001 with the mission of improving informal science education by publishing high-quality science and technology related educational products for children of all ages. T & K places an emphasis on teaching concepts and skills through hands-on modeling of real-world devices and processes, and by offering comprehensive, meaningful reading materials for a rich learning experience. Features New plastic board Top-ranked, hit abstract tile placement game Players take turns placing colored hexagonal domino-style tiles on the board Scoring for each line of colored symbols that they enlarge A players score is equal to her worst-scoring color, not her best Specifications Weight: 2.95 lbs