Amazon has this Learning Resources 1-2-3 Build It! Rocket-Train-Helicopter, Toddler Building Toy, 17 Pieces, Ages 2+ for $13.99 was $19.99!
Toddlers build and rebuild three different vehicles out of one set of colorful, easy-to-handle parts
Includes parts needed for a space-age rocket, old-fashioned train engine, and cartoony helicopter
Kid-sized play wrench helps kids put vehicles together and build understand of real-world tools
Building-based play supports development of creativity and fine motor skills
Perfect for ages 2 and up