From Skip Hop, this toy features: Age 5m+ Grows with baby in 4 stages Stage 1 (5m+) Rattle & Teethe: Easy-grab shapes & soft teether Stage 2 (5-12m+) Sort & Stack: 3-piece stacker with rewarding lights & sounds Stage 3 (9-12m+) Beginning Crawlers: Crab moves in circular pattern and stays close Stage 4 (9-12m+) Advanced Crawlers: Crab moves in random pattern to encourage chasing 3 songs & 15 sound effects Smart sensor avoids obstacles Encourages grasping, fine & gross motor skills, sensory development, hand/eye coordination & visual tracking Helps teach cause & effect, problem solving & object permanence Size (inches): 6L x 6W x 5.8H; (cm): 15.24L x 15.24W x 14.73H Requires 3 AA batteries (not included) Wipe clean with slightly damp cloth & air dry To prolong life of product, remove batteries when toy is in storage Do not drop on hard surfaces or expose to moisture Do not submerge in water Imported Encourage learning to crawl adventures and sensory exploration with our cute crawling crab baby toy! Featuring four grow-with-baby stages, our action-packed baby crawl toy engages little ones with lights, fun sound effects, cheerful music and lots of movement to help get baby crawling. Start baby off with rattle & teething play, then move onto sorting & stacking as your little one learns, grows and develops. Beginning crawlers will love to follow along as the interactive crab peeks out from under its shell and moves in a circular pattern, while advanced crawlers are encouraged to chase the crab as it moves in more random patterns.