Ratna's premium quality boxed twin tangram puzzle for kids. Make different patterns and objects with the help of this puzzle. Develops hand eye coordination Develops motor skills. challenge your kids creativity with seven simple tangram Stimulate and exercise your right and left brain Develops colour and shape recognition. Excellent brain teaser Bright colors and attractive patterns good for rainy days & family nights, fascinating puzzle of special relationships. Perfect for small group or individual classroom instruction Let them think let them play .recommended for age group above 3 years.