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Place 1 hand on each half of the plastic egg. Gently twist and pull the halves to separate them. You will be able to make 2 maracas using 2 plastic eggs. If you want to make more maracas, simply use 1 extra egg for each subsequent maraca that you want to make. You can purchase plastic eggs from dollar stores or use leftover eggs from Easter. Use a spoon to scoop dry rice into 2 of the plastic egg halves. Gently twist the plastic eggs back together after adding the rice. There needs to be enough rice in each egg to fill it halfway. You can use any type of rice, provided that it isn't cooked. Alternatively, you can also use small plastic beads or small pieces of dry pasta if you prefer. Be careful to hold the half that is full of rice secure while you twist the other half back on. Filling each egg halfway with rice is only an approximate measurement. Try adding different amounts of rice to see how the sound changes when you use the maracas.
Open 2 plastic eggs. Fill 2 plastic egg halves with dry rice and then close each egg.