Didax Unifix Word Ladder, Blends for grades 1 - 3 is designed for use with Unifix letter cubes and requires children to complete a series of words by changing one sound at each step. Word Ladder made of plastic contains teaching notes and answers..Langauge: English.Size: 16"(H) x 3"(W).Language: English.Colorful, durable cards.Designed for use with Unifix letter cubes, each word ladder requires children to complete a series of words by changing one sound at each step down, reinforcing in concrete terms the effect of swapping one sound for another.Type: Word building skills.Age group and grade: Ages 6 -12 and grades 1st -3rd.Includes teaching notes and answers.12 cards/set.Colorful, durable cards are 3-1/2x16".Material: Plastic.Motivate young students to make and break words ladder with blends with this set of 12 delightful activity cards.