ping pong ball

celluloid

Transparent flammable synthetic material

• polymerLarge repeated-unit molecule
• seamlessWithout visible joins
• whiteAbsence of pigment

orange · star rating · paddle · rubber · blade · net · case · robot · trainer · table

table tennis

Racket sport on flat surface

• rallyGathering for a cause
• serveAttend to needs
• volleySimultaneous firing burst

forehand · backhand · smash · lob · spin · point · game · set · match · tournament

round

Curved like circle

• spherePerfectly round solid
• orbLuminous celestial body
• circularForming a closed curve

diameter · circumference · seamless · smooth · curvature · radius · symmetrical · globe

rebound

Return after deflection

• elasticityTendency to resume original form
• resilienceCapacity to recover quickly
• springinessCapacity for elastic recovery

drop · hop · ricochet · deflection · impact · trajectory · arc · spin · backspin · topspin

weightless

Having no heft

• featherlightExtremely light, weightless-feeling
• airyLight and well-ventilated
• delicateEasily broken or harmed

hollow · flimsy · crushable · dainty · fragile · insubstantial · buoyant · floaty · papery · wafer-thin

lottery

Randomized prize distribution

• raffleLottery for prizes
• drawingMarks forming a picture
• DIYAmateur home projects

decoration · catapult · shooter · carnival · toss · ornament · garland · snowman · eyeball · party game

• round thingssphere, globe, circle, orb, spheres
• table tennispaddle, serve, net, table, racket
• floatersbuoy, cork, bobber, life jacket, life vest
• Delicate Thingsbutterfly wing, spider web, bubble, soap bubble, eggshell
• inflatablesballoon, pool float, air mattress, inflatable boat, bounce house
• bouncy toyspogo stick, trampoline, space hopper, bouncy castle, bounce house