Best Service Stores via Amazon offers Prime members the Engino Wood Mega Set
, model no. ENG-9010, for $29.99
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $7.18.) That's the lowest total price we could find by $6. Recommended for ages 6 to 14, this set allows you to build things like a house, car, swing, and loading truck.