How to Make Airboat using Ping Pong Balls - Simple Electric Boat

changethetopic (47)in #technology • 8 years ago

#steemit #science #art #video

8 years ago in #technology by changethetopic (47)

$0.00

STEEM 0.12

TRX 0.34

JST 0.033

BTC 119745.02

ETH 4461.25

SBD 0.77