HKM-046355 Kid's Mini Micro Building Block Tree House Construction Set with 840 Pieces for Ages 5 and UpIntroducing the HKM 046355 Kid's Mini Micro Building Block Tree House Construction Set, designed to spark creativity and provide hours of engaging play for children aged 5 and up. This construction toy is packed with 840 high quality ABS plastic pieces, ensuring that each building session is both durable and enjoyable. The completed tree house measures 33. 8 cm x 12. 7 cm x 16. 8 cm, providing a satisfying size that children can admire and display.