Easy to assemble, sturdy and easy to hold solid plastic brick puzzles that fix together easily and are fun for kids to play with Lots of fun - nothing starts kids thinking like simple, challenging puzzles that they can transform into familiar objects this is a perfect game for kids and pre-schoolers to introduce them to the various items that…
Great quality, Stable performance Model Number : JX PDI-5521MG-180 JX PDI-5521MG-180 21KG Metal Gear Digital Standard Servo for RC Robot Car Boat Drone Helicopter
(1) Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy. (2) An interesting gadget for killing time. (3) An ideal gift for family members,relatives, friends and colleagues.