Halloween Motion Sensing Spider

Engineer a spooky spider prank that’s scary fun! Kids build and customize their own creepy crawly spider, then explore hands-on STEM learning by assembling a retracting mechanism with springs and gears. Add the electronic motion sensor so the spider drops down when someone walks by—perfect for jump scares and laughs! 

Dimensions: 11 x 3.4 x 7.5 in (27.9 x 8.6 x 19.1 cm)