PLANES, TRAINS AND BOATS -- This set includes 36 hollow connecting blocks in 3 shapes: planes, trains and boats and 4 colors: blue, green, red and yellow SAFE BLOCK PLAY FOR AGES 18m+ -- Transportation Linking Blocks are made of durable plastic which is BPA, PVC and latex-free. DESIGNED FOR LITTLE LEARNERS -- At 3”L x 0.75”W, these blocks are large enough for toddlers to easily connect and disconnect. With such a big size, they're safe for all babies and toddlers! FOSTER FINE MOTOR SKILLS -- Toddlers love to snap these connecting toys together and then pull them apart with an audible "pop". As children play, they’ll develop their dexterity, hand strength and hand-eye coordination COUNT, SORT AND SEQUENCE -- With 3 shapes and 4 colors, Transportation Linking Blocks encourage early math skills. There are so many ways to make a pattern! CONSTRUCT AND CREATE -- Children can connect the blocks to construct necklaces, bracelets and more! Once connected, these blocks stay together. That means creations will, too!