VIGA | Puzzle Tangram Challenging Educational Toy For Kids Ages 3+ Yrs | 56301FSCProduct Dimensions 2. 3 x 20. 1 x 26. 4 cm Number of Puzzle Pieces 1 Assembly Required No Batteries Required? No Batteries Included? No Material Type(s) Wood has been in existence for centuries and is a Chinese puzzle which translates as "seven boards of cunning". The puzzle is a square cut into seven shapes called "Tans" the idea is to try and make the pictures on the supplied cards with the 7 shapes without leaving any out or overlapping them. Don't