Amazon offers Prime members the Diggin Active Skuut Wooden Balance Bike in Red for $38.29 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.58.) That's a buck under our mention from three weeks ago and the lowest total price we could find by $36. Designed for children from 2 to 5 years old, it features birchwood construction, 12" rubber tires, and a 13.5" to 16.5" adjustable seat.

Update: The price has increased to $39.25.