$20 to $50

Build your very own vending machine! With this engineering kit, you build a toy vending machine that sorts coins, dispenses candy or other small pr...

Go on an excavation journey as you chisel and dig to hatch baby dinos from their glow-in-the-dark eggs. Get things started by soaking one of eight ...

Caution, road work ahead! Use the five tough excavating tools to unearth seven trucks buried in one massive dump truck. Find the crane, bulldozer, ...

See them erupt with excitement building a realistic volcano scene. This giant cardboard and plaster model is classic earth science learning at its ...

Help little stargazers and future NASA astronauts explore the moon's surface with an entry-level telescope! This award-winning STEAM toy is solidly...

Construct your air-powered robotic hand that fits like a glove and prepare to blast off! This amazing engineering project uses pressurized air and ...