Our most educational Learn to Build set yet, the ABC & 123 set contains 400 pieces and 40 letter and number cards. Each card features multiple was to learn, including letter and number formation, counting, simple math, capital and lowercase letters, vowels and consonants, even and odd numbers and more. Includes: 400 pieces in Red, Orange, Yellow, Green, and Blue. 40 sturdy letter and number cards About Plus-Plus: Suggested for ages 5-12 Designed and made in Denmark Made with 100% wind energy BPA-free and phthalate-free Each piece measures .75" x .5" (20mm x 12mm) Cards measure 2.3" x 4.7" (16cm x 12cm) Plus-Plus is made in Denmark in our own zero-plastic-waste factory powered by renewable energy.