The triplet medium is a handmade toy for giant soap bubbles. It consists of two bamboo sticks with a length of 75 cm each, the knotting of the cord has a three-way division. This toy is suitable for children from about 6 years, depending on motor skills. The cord color may vary due to production. It creates bubbles up to 1.5 m in size and bubble tubes, which are divided due to the knotting and adhere to each other or in turn join together to form a soap bubble.
Under this link you will find the Instructions fo giant bubble wands
You can find more tips and tricks here: How to play with giant bubbles