LEZKIDOL DIY Gear Building Block Assembly Toy, Crawling Dancing Crab with Music for Kids Gear STEM Educational Interlock Toy for Boys Grils 3 Year Old and up

DIY Gear Building Blocks: crab-look plastic toy comes with detachable gear components, crawling on the floor along with music. Battery power for gear spining, crawling and music playing requires 4 AA batteries(not included)

STEM Gears Construction Toy Kit: Comes with interlock gear blocks and crab-looking crab claws, kids will learn to connect the gears as a united mechanism, observe how each gear piece links and ratetes

Musical Dancing Crab Toy: the crab crawls on the floor with music; obstacle avoidance design, change direction when detecting barriers, enable kids to chase or crawl along indoors

Designed for kids aged 3 years old and above, designed to improve kids' hands-on ability, stimulates creative thinking and spatial reasoning skills through hands-on operation

Great gift-giving Idea: birthday, holiday, or Christmas gift for boys and girls age 3-5 years old, keeping kids entertained while fostering key skills