Meccano Erector Super Construction 25-in-1 Building Set, 638 Parts, for Ages 10+, STEAM Education Toy Price: $169.99 (as of 28/04/2020 15:25 PST- Details)

25 BUILDING MODELS – Let your child build one of 25 different construction themed vehicle ideas (models can be built one at a time). Parts can be used to rebuild a helicopter, a buggy crane and much more or kids can mix match pieces to come up with their own original design for open-ended fun.
REAL WORKING VEHICLE – Build a motorized crane and bring it to life with the 6V electrical motor. Play with its rotary body and extendable hook!
STEM TOY: For over a hundred years, Meccano has been promoting children’s STEM (Science, Technology, Engineering, and Math) learning as they build and play .