22337 - Featuring many fun functions, winfun 3-in-1 Activity Roller has detachable ends to create a rattle ball and triangle block with a pop-up caterpillar to entertain your baby. This toy stimulates your baby with flashing buttons, colorful beads, and turning gears with clicking sounds. The Activity Roller encourages the development of motor skills and hand-eye coordination and also encourages your baby to crawl alongside or behind it. This toy features an on/ off switch, three light-up buttons with fun animal sounds, and fun melodies 3-in-1 activity roller: Rattle Ball, Flashing Roller, and Triangle Block 2 play modes: Sound Effect and Melody Mode Detach and join the ends together to form a rattle ball Two detachable ends with colorful beads and turning gears with clicking sounds 3 light-up buttons with fun animal sounds, zany sounds, and melodies Insect plunger button with fun sounds in the top of the triangle block