Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Accessories included: 5W solar panel
The integrated solar panel charges the internal rechargeable battery during the day using sunlight
Order the EcoSavers Draft Stop Cover
aquarium pumps
they will bounce slightly
POWERplus 3-in-1 Spring Powered STEM Kit energysaving Accessories included: 5W solar panel3 in 1 Buildable Models The POWERplus Junior Spiral Spring set allows you to build three different working models from one kit: a wind up racer, a walking robot, and a helicopter with rotating propeller. Each model demonstrates motion in a unique way. Spring Powered Mechanism All models are powered by a hand wound spiral spring. By turning the winding mechanism, energy is stored in the spring. When released, this energy is gradually transferred to