Open-ended play - Baby can sort, stack, stick and spin 5 gears that are all different sizes and colours. Developmental skills - These gears are great tools for parents to help their little ones discover numbers, animals and colours. They also promote fine motor, spatial reasoning and cause-and-effect skills. Bath time & 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. Safe & easy-to-clean design. Made with BPA-free materials that wipe clean. Suitable for babies from 6 months & up.