Design and engineer a vehicle that is propelled by the energy stored in rubber bands. Make it go for distance, or stop with precision. Design it to go fast, or cross difficult terrain. Rubber band racers can be easily redesigned/reconfigured, so every day you can have a different challenge. Design and engineer a vehicle that is propelled by the energy stored in rubber bands. Make it go for distance, or stop with precision. Design it to go fast, or cross difficult terrain. Rubber band racers can be easily redesigned/reconfigured, so every day you can have a different challenge. Design and engineer a vehicle that is propelled by the energy stored in rubber bands. Make it go for distance, or stop with precision. Design it to go fast, or cross difficult terrain. Rubber band racers can be easily redesigned/reconfigured, so every day you can have a different challenge.
