Description: Material: Plastic Color: Multicolor Size: 17 x 17 x 23cm / 6.7 x 6.7 x 2.3 inch Package Size: 30 x 22 x 6cm / 11.8 x 8.7 x 2.4inch Use Age: > 3 Years Battery: 1 x AAA Battery (Not Included) Occasion: Home Product Type: Electric Building Block Toy Quantity: 1Pcs Features: Non-toxic, ligh...

💟  💟 After entering the QUNANEN store, search for the products you want, we have a lot of products, new shelves, the most popular products, as long as you want . 💟  💟 Christmas is coming, our store has put all the most popular products on this year, and hurry to buy i...

Specifications: Material: Wood Color: Random Package Size: 14.8 x 14.8 x 0.8cm/5.8 x 5.8 x 0.3inch Weight: 0.07kg Product Type: Colorful Wooden Puzzle Type: Developmental Baby Toys Age Range: 3-6 Years Old Function: 1.Hands-on training 2.Cultivate baby learning ability 3.Teach your baby's cognitive...

This book provides relevant, practical and clear exercises in applying the various concepts and techniques that are usually taught in research courses at the graduate and advanced undergraduate levels.