Each set includes four fishing sticks and with an easy (larger) or more challenging (smaller) EduFoam "Bait" for each one.EduFoam letters stick to the "Bait" when both are wet.Excellent handeye coordination game.Fished letters will stick to tub or tile so it is easy to learn how to fish the letters, as child progresses learn to fish specific letters then learn to spell words.EduFoam will not absorb water and is extraordinarily resistant to mold or mildew.