Educational Music, Animals, Colors and Musical Instruments Activity Stacking Toy for Babies, Toddlers and Kids - Perfect Learning Toy Present for Boys & Girls Aged 6 months to 3 years old. The ideal Birthday gifts or Christmas presents to learn. Our standards of quality and safety mean that all products have been tested and evaluated to conforms to global toy safety standards (such as Europe Safety Standards of EN71, CE, RoHS, Cadmium and Phthalates or USA's ASTM F963, CPSIA, etc. Also are free of BPA, phthalates, and PVC. "This educational toy does a fabulous job of engaging youngsters, stimulating and rewarding their curiosity with essential sights, sounds, songs and knowledge. The Stack & Learn's high level of interactivity is a key factor in its ability to keep kids happily absorbed. Each of the colorful rings contains an animal, color or musical instrument that takes children on a different learning adventure. Learn the colors, entertaining animal sounds and musical instrument sounds. Take it to the next level as different combination of rings stacked on the toy plays a different song. Place 1 to 5 rings in any order and see what happens over 3 different modes of fun.