Safe for Precious Little Ones Extremely Lightweight and designed to fit children’s hands, these stacking cups are easy to hold and grasp. The cups are nontoxic and BPA free plastic and the edges are soft so they are absolutely harmless to children. 8 Versatile and Travel Friendly Rubber Cup Stackers Make Bath Time, Beach Trip, and Play Time Fun and Exciting Small Fish’s Montessori toys rainbow caterpillar stacking cups will make every bath time enjoyable and entertaining. Keep little hands and curious minds occupied stacking, spilling, training, pouring, scoping, and more. Portable and noiseless, toddlers can use these cups in the playroom, bedroom, living room, kitchen, in the car, plane, or train, at the pool, park, beach, and everywhere else. Young ones can use these as toy cups, they can build colorful towers or knock them against each other. They can also link the cup to create a rainbow caterpillar or a small cup train, towers, and for rain or water pouring. Simple Learning Toys Stacking the cups can help improve eye and hand coordination and fine motor skills. With 8 different colors and numbers, these are basic nesting cups to learn colors and numbers. Embossed under the sea marine animals can also be introduced to tiny tikes. Plus Rubber Duck You get 8 fun and enjoyable stacking caps with an extra rubber duck that quacks. Make bath time more fun and exciting. Smooth and Safe Each cup has a smooth edge and surface so cuts and abrasions are avoided. Vibrant Colors Each cup is brightly colored to always grab children’s attention and also help them learn colors. Fun Sea Animals Each cup is embossed with different sea creatures that are cute and kids will love.