About This

• Linden wood
• 5-IN-1 DIY ASSEMBLY MODELS: This wood STEM kit needs full self assembly; build solar car, electric truck, catapult, marble maze and periscope for educational hands-on fun.
• DUAL POWER SCIENCE DEMO: Solar car runs under sunlight directly; electric truck uses battery power. Kids learn energy conversion, gear drive, elastic mechanics and light reflection through hands-on building
• SAFE LASER-CUT BASSWOOD MATERIAL: Made of natural basswood with precise laser cutting, every wood piece has smooth burr-free edges. Snap-fit structure needs no glue or extra tools for stable assembly.
• Boost Kid's Practical Ability: DIY assembly effectively exercises hand-eye coordination, spatial imagination and problem-solving skills. Perfect for homeschool teaching aids and classroom science activities.
• Complete Accessories & Ideal Holiday Gift: All spare parts and step-by-step illustrated instruction manual are included. It is an excellent birthday, Christmas gift choice for boys and girls aged 8 to 14.