Spooky Atom The Siphon Hand — Ages 8+

The Siphon Hand is a hydraulic robot-hand kit — syringes and tubing move fingers when kids push fluid. Ages 8+ feel force transfer with their own hands. Battery-free STEM, playfully spooky name, wholesome mechanics.

What's inside: Hand frame + finger levers; syringes + tubing; mount/base; water fill instructions; challenge card.

What kids will do: Assemble; fill with water (adult help); purge bubbles; grip soft objects; explain hydraulics.

Safety: Ages 8+; water only; wipe spills; battery-free; no pinching skin/pets.

Shipping: Origin TBD; US 3-7 or China 8-20 days after dispatch; free ship $49+ TBD.