DJECO Wooden Magnetics are the perfect toy for younger children to learn about magnetics. The Farm set has 24 wooden topped pieces with shaped magnetic backs. There are 15 different shapes. Your child will learn about the goats, the chickens and the sheep who all live on the farm. This is an open-ended creative product. Non-toxic coating. Magnets will work on metal household surfaces, magnetic white boards or even surfaces treated with magnetic latex paint!