There is no right or wrong way to use these flexible, wax-covered yarn strands. No preparation, no mess, no cleanup, these pliable sticks adhere to almost any smooth surface. Includes 84 Wikki Stix in 16 colours and 2 sizes, playboard, a booklet with ideas and illustrations and a storage bag. Safe, non-toxic WIKKI STIX. Ideal creative play for 3-12 year olds. Each Wikki Stix measures 20cm long and can be reused over and over.