• Material: Plastic; Size Details:Square Shape: 5.2cm x 4.2cm x 4.2cm/2.05inch x 1.65inch x 1.65inch (Approx.);Triangle Shape: 5.2cm x 4.5cm/2.05inch x 1.77inch (Approx.);Hexagon Shape: 5.2cm x 4.2cm x 4.2cm/2.05inch x 1.65inch x 1.65inch (Approx.);Cross Shape: 5.2cm x 4.1cm x 4.1cm/2.05inch x 1.61inch x 1.61inch (Approx.) • Made of safe material, friendly to child, no sharp, no smell, no harm to your baby. • Through the pairing training, you can train your baby's color recognition ability, logical thinking ability, and hands-on ability. • Helps develop child's social relationships while playing with their companions or parents. • kids music toys educational toys for toddlers age 3-5 whistle toys for kids learning toys for 3 year olds educational toys for 3 year old boys musical toys for kids Toddler Musical Instruments Birthday Gift Toy for Age 3 4 5 Years Old and Up Developmental Toy christmas musical toys for 3 year old wind up construction toys for boys age 3 car toys for toddlers pretend toys for toddlers early education toys activity center for toddlers Plush Toys