STEM Toys.
Then, it's time to ROAR into a thrilling pretend-play adventure! Design & Drill T-Rex - Building & Construction for Ages 3 to 4 - Fat Brain Toys Building & Construction. Using the chunky kid-sized screwdriver, little engineers get to screw the large bolts into place to assemble the legs, tail, and spines of this ferocious yet friendly dinosaur action figure. Toys.