These are Qbi Magnetic Cubes. The box shows signs of use, but the blocks and cards inside are clean. There are no missing pieces. However, please understand that these are used items that have been played with by a child before purchasing. STEM-certified educational toy, magnetic cubes. - Brand: Qbi - Model Name: Explorer Kids Mini - Target Age: 5 years and up - Included Accessories: Cards, vehicle parts - Colors: Blue, Yellow, Green, Red, Purple - Condition: Box has minor damage Thank you for viewing. Type... Blocks