I'm guessing this is i-cord, and the source has a couple of great projects you can do with i-cord.
Т-образный стильный пуловер
The ribbon gives this crocheted bag a cute characteristic, along with the clear handle. Tote this piece with you everywhere you go!
Celtic Heart Knot: free pattern My granddaughter could do this with her spool knitting (I forget what it's called)!
Summer necklaces | via Etsy
Colar de lã com argolas de lã (no tricotin)
Handgebreide armband in grijs met handgemaakte houten knoop.
French Knitted Bracelet with Coconut Button
Collar de 2 colores cuerda larga.