High schoolers built a ball-collecting robot in 6 weeks using same mechanics as $2,995 Tennibot
TinfoilTricorn · x · 2026-10-02
The robot in the clip was built by high schoolers in just 6 weeks: it drives across the field, picks balls off the ground, and launches them in one smooth motion — the same intake-hold-launch mechanics as the commercially available Tennibot.
Tennibot costs $2,995, holds up to 80 tennis balls, and runs 4-5 hours on a 90-minute charge. The practical value is time savings: a typical practice scatters hundreds of balls, and manual pickup eats 15-20 minutes per session — adding up to hours of wasted time per week per court over a season.
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