Sproing is the classic walking spring, made from sturdy metal with a satisfying retro feel. Set it at the top of the stairs or the edge of a table and...
Sproing is the classic walking spring, made from sturdy metal with a satisfying retro feel. Set it at the top of the stairs or the edge of a table and watch it flip, bounce and walk its way down. Kids love experimenting with different heights and slopes, which turns simple play into a hands-on lesson in motion and gravity while building patience and coordination.
