Open-ended play – Baby can sort, stack, stick, and spin 5 gears that are all different sizes and colors Developmental skills – These gears are great tools for parents to help their little ones discover numbers, animals, and colors. They also promote fine motor, spatial reasoning, and cause-and-effect skills. Bathtime & more – Bring STEAM activities to the bathtub, floor playtime, and anywhere baby’s curiosity takes them! These spinning suction-base gears stick to tile and most smooth surfaces. Playful pals – Features popular characters from the new Baby Einstein YouTube series. Safe & easy-to-clean design – Made with BPA-free materials that wipe clean. Appropriate for children ages 6 months and up.