Dječija igračka – 3D štampano

Turn standard tennis balls into a test of precision!Print a batch of these rings and see how high you can stack them.Here are three ways to challenge your kids or friends:The Speed Sprint: Who can build a 9-ball tower the fastest? Race side-by-side to see who has the steadiest hands under pressure.Survivor Mode: Two or more players take turns placing a ring and a ball on a single stack. The first person to topple the tower is eliminated. If playing with a group, the loser sits out, and the survivors reset for the next round. The 60-Second Scraper: Set a timer for one minute. Players race to build the tallest tower possible. The catch? It has to remain standing when the timer hits zero!Lefty / Righty (The Handicap) Play the standard “Tower Race” mode, but all players must use their non