Tangram is a geometric puzzle that originated in China over 1,000 years ago and consists of 7 shapes that can be arranged to create endless designs. The TTangram is a geometric puzzle that originated in China over 1,000 years ago and consists of 7 shapes that can be arranged to create endless designs. The Tangram Race from Mudpuppy is a fresh take on the classic game and teaches spatial relationships, geometry, and problem-solving in a fun, fast-paced game! 2 players can race to complete each design, or 1 player can master all the designs! Includes 2 colorful tangram sets and 30 challenge cards. The challenge cards are double-sided for 2 levels of difficulty.angram Race from Mudpuppy is a fresh take on the classic game and teaches spatial relationships, geometry, and problem-solving in a fun, fast-paced game! 2 players can race to complete each design, or 1 player can master all the designs! Includes 2 colorful tangram sets and 30 challenge cards. The challenge cards are double-sided for 2 levels of difficulty. —description from the publisher